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The Vulcan's Unspoken Equation

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Jill Tallentire, 22, long copper curls and grey eyes. She is the new nurse on the USS Enterprise, newly qualified and her first commission. Nurses wear white uniforms, Jill prefers a dress. Spock, 34, black hair with severe bangs, brown eyes and pointed ears, slight green tinge to his skin, First Officer and Science Officer on board the USS Enterprise. Jill is still feeling a little awed and overwhelmed at being assigned to the flagship, she graduated top of her class and is quite brilliant if a little scatterbrained. She is dual nurse and science, able to use a lab to investigate Medical issues. As a result Mr Spock has been assigned as her line manager. One of their first meetings he reprimands her for something that was not her fault, and further reprimands when she tries to stand up for herself. Their working relationship continues to be fraught with her being in trouble for one thing or another, Spock expecting 100% from her at all times. Is it his confused feelings towards her causing the issue though.

Chapter 5: The Unseen Witness

The summons chimed in her quarters ninety-three minutes later. Not a command channel. A personal, encrypted pulse. Her padd displayed only coordinates: his private research annex, a sub-section of Lab Four accessible only by his biometrics. No message. No pretext.

Her body knew before her mind. That low hum, the feedback loop, had never truly stopped. It had just sunk deeper, into the marrow. The Orchid’s pulse was gone, sealed in its field, but the imprint remained. His, and now hers. Irrevocable.

She didn’t change. She went as she was, in her soft-soled duty shoes and white dress, her hair a loose cascade. The annex door slid open at her approach, sensing her presence like it had been programmed to expect her.

The space was smaller, warmer. Less a lab and more a study. A single desk was cluttered with data slates and an antique Vulcan lithographic scroll. The main scanner from the lab was here, a dark monolith in the corner, silent. The Orchid sat within a stasis field on a side table, its blue light muted, dormant.

He stood by the viewport, which here showed not stars but the intricate, scrolling schematics of the ship’s warp coil, a golden tapestry of engineering. He had changed into a simple black Vulcan tunic and trousers, devoid of rank insignia. He looked less the First Officer, more the philosopher-scientist. And he looked exhausted.

“The field has dissipated,” he said, not turning. “The catalyst is inert.”

“But you’re not.” She remained near the door, a retreat still possible.

“I am not.” He faced her. The exhaustion was more profound up close. It wasn’t physical fatigue. It was the strain of a mind holding back a tide. “Standard meditation is ineffective. The patterns are entrenched. They replicate, like a virus in a programming loop.”

“What patterns?” She took a step inward. The door hissed shut behind her, sealing them in.

“The sensory memory of the observation deck. The olfactory signature of your skin. The specific auditory frequency of your respiration when I am near.” He listed them without inflection, each item a dagger of intimacy. “The… emotional resonance. Your frustration, your fear, your attraction. They exist now as cognitive artifacts with the permanence of memory, but the vividness of real-time input.”

“So it’s not fading.” It was a confirmation, not a question.

“It is intensifying.” His hands, clasped behind his back, tightened. “The mind seeks to resolve dissonance. It cannot categorize this… experience. Therefore, it replays it, analyzing it from new angles, seeking a logic that does not exist. The process is recursive and degenerative.”

“You’re thinking yourself into a breakdown.” The medical assessment came naturally, a lifeline in the emotional quicksand.

“A succinct, if colloquial, diagnosis.” He finally moved, walking to the desk, tracing the edge of a data slate with one finger. “There is a Vulcan technique. A deep-trance meld. Not for communication, but for… restructuring. It would allow a trained practitioner to enter their own synaptic pathways and attempt to manually reconfigure the problematic sequences.”

Hope, thin and desperate, flickered in her chest. “Can you do it?”

“Alone? No.” He looked at her, his eyes dark pools. “The self cannot effectively operate on the self in such a state. A guide is required. An anchor in external reality.”

The implication settled over her, heavy and cold. “Me.”

“You are the source of the pattern. You are also, paradoxically, the only point of stability outside of it. Your consciousness would provide a fixed reference. I would follow your neural signature back to a baseline.”

“A mind-meld.” The words were a whisper. The intimacy of it, after everything, felt more profound than any kiss. To have him inside her thoughts… and to go into his. It was the ultimate exposure. “Spock, I’m not trained. I could damage something. I could get lost in there.”

“Your cognitive discipline is exceptional. Your neural architecture is… resilient.” He paused, choosing his words with care. “And you are already connected. The link is nascent, but present. Forcing it open with deliberate control may be safer than letting it fracture through attrition.”

He was asking for permission to breach the final frontier between them. To make the feedback loop official. To try and fix the very thing she represented by weaving her deeper into his psyche.

“What if it doesn’t work?” she asked.

“Then we will have data on the failure mode.” The scientist in him was still there, clinging to logic.

“And what if it makes it worse?”

He didn’t answer for a long moment. The warp coil schematics spiraled silently. “Then the degradation will accelerate. For us both.”

The risk was absolute. The alternative—watching him slowly unravel, feeling the silent scream of his battle through the ghost-connection between them—was unacceptable.

“Tell me what to do.”

He gestured to a low, padded bench near the viewport. “Sit. Facing me.”

She complied, her heart a frantic bird against her ribs. He settled opposite her, close enough that their knees almost touched. The air between them seemed to thicken, charged with potential.

“Place your hands in mine.” He extended his palms, upwards.

She slid her hands into his. His skin was searingly hot, dry. His long fingers closed around hers, not crushing, but firm, absolute. The contact sent a jolt through her system, a familiar shock that now carried the weight of inevitability.

“My mind to your mind,” he began, his voice dropping into a low, rhythmic cadence. “My thoughts to your thoughts.”

His eyes held hers. The brown seemed to deepen, to pull at her. The world beyond his face—the lab, the softly glowing schematics—began to soften at the edges, blurring like a dream. The hum of the ship’s systems faded into a distant buzz.

“Our minds are merging,” he intoned. “We are one.”

A pressure, gentle but immense, bloomed at the temples where his fingers now rested. It wasn’t painful. It was an opening. A door swinging wide.

Sensation without image.

Heat. The dry, baking oven-heat of a Vulcan sun on red sands. The scent of shal’tan herbs, bitter and clean. A profound, aching loneliness, so deep it was the color of the desert at twilight. The feeling was his, from childhood, a baseline emotional tone she recognized instantly.

Then, images.

A young boy with severe bangs, standing apart from others in precise robes, watching a ritual he does not yet understand. The ache of not belonging.

The same boy, older, fingers on a ka’athyra, drawing a mournful, perfect note from the strings. A moment of solitary peace.

A flash of human laughter, a woman’s face—bright, emotional, so unlike the serene Vulcan faces. His mother. A confusing, warm burst of affection, immediately walled off.

Then, her own memories, reflected back through him.

Herself, small, in a white lab coat too big for her, peering at a microscope. A fierce, sharp joy in understanding.

The terrifying awe of her first day on the Enterprise, the scale of the corridor making her feel insignificant. The fear of being a fraud.

The sting of his criticism over a messy data slate. Not anger, but a desperate need for his approval.

The moment on the observation deck, his lips on hers. But from his perspective. The overwhelming sensory avalanche: the silk of her hair, the startling softness of her mouth, the taste—human, warm, alive. The cataclysmic fracture of his control, not as a failure, but as a relief so profound it felt like falling. The emotion was not just desire. It was recognition. Home.

The meld deepened, beyond memory into present feeling.

She felt the constant, grinding pressure of his discipline, the monumental effort of holding a dam against a sea of raw, chaotic feeling—for her. She felt the jagged edge of his fear, not of her, but of himself, of this torrent that promised to obliterate everything he was.

And he felt hers. The thrill under the fear. The virgin’s curiosity mixed with deep-seated longing. The sheer, undeniable want that pulsed in time with her heartbeat. The part of her that craved the oblivion he represented.

It is not oblivion, his thought-voice came, not in words but in a concept of startling clarity. It is integration. The variable was never external. It is a missing component.

The feedback loop wasn’t a short-circuit. It was a circuit finally completing itself.

The vision of the desert returned, but now a fierce, warm wind was scouring the dunes, reshaping them. Not destroying. Changing. The loneliness was still there, but it was no longer empty. It was a space waiting. Her space.

The intensity became a feedback loop of its own, a psychic echo chamber of shared need. The mental touch grew physical. In the blurred reality of the lab, she didn’t know if she moved or he did, but their foreheads were pressed together, their breaths mingling in sharp gasps. His hands left her face to grip her shoulders, her back, pulling her into him.

The meld broke.

Not with a snap, but with a slow, agonizing separation, like tearing fused flesh. The lab rushed back—cold, bright, terribly real.

They were tangled on the floor, having slid from the bench. He was half-beneath her, his back against the leg of the desk, his arms locked around her. She was sprawled across his chest, clinging to the black fabric of his tunic. They were both shaking, sweat beading on his temples and her neck.

The silence was deafening, filled only with the ragged symphony of their breathing.

He spoke first, his voice shattered. “It did not work.”

She lifted her head. His eyes were wide, stripped bare. The controlled exposure, the deep-trance meld—all of it had been a furnace, and they had emerged not purified, but welded together.

“No,” she whispered, her throat raw. “It didn’t.”

She saw the realization dawn in his eyes, the final, logical conclusion. There was no reset. No reconfiguration. The pattern was the foundation now. The only remaining action was to inhabit it fully.

His hand came up, cupping the back of her head, his fingers threading through her curls. There was no hesitation, no request. The question had been asked and answered in the merging of their minds.

His mouth found hers with a desperate, consuming hunger. This kiss was different from all the others. It was not exploration or conflict or surrender. It was possession and being possessed, a seal on the pact their minds had just forged. It was wet, deep, and unbearably hot, a physical manifestation of the psychic link that still thrummed between them.

She met him with equal fervor, her hands pushing the black tunic up over his torso, breaking the kiss only to drag it over his head. His skin was smooth and hot, the lean muscle of his chest and abdomen tensing under her palms. His own hands were at the fastening of her dress, his usually precise fingers fumbling in their urgency. The soft white fabric gave way, pooling around her waist as he pushed it down her shoulders.

The cool lab air hit her skin, followed immediately by the blistering heat of his mouth on her collarbone, her breast. She cried out, her head falling back. The sensation was lightning, direct and catastrophic. Her fingers found the fastening of his trousers, and he hissed a sharp, Vulcan word against her skin as she freed him.

There was no more thought, only a driving, mutual need. He rolled her onto her back on the cool, polished deck, coming over her, his body a welcome weight. The last barriers of clothing were shoved aside. He paused for a fraction of a second, his body trembling with the effort, his eyes searching hers in the half-light. The link flared, and in it, she felt his ferocious care, his devastating need, his final, abandoned control.

“Yes,” she breathed, answering the unspoken question, the plea from his mind and hers.

He entered her in one slow, devastating motion.

The pain was a bright, sharp point, quickly dissolving into a fullness that stole her breath. She gasped, her nails digging into the hard muscle of his back. He went utterly still above her, his face a mask of agonized ecstasy, his eyes squeezed shut.

Jillian. Her name was a vibration in her mind, a shared sensation.

Then he began to move.

It was not a gentle rhythm. It was a claim. Deep, relentless strokes that filled her completely, each one a physical echo of the mind-meld’s intensity. The cool metal of the deck beneath her, the scorching heat of his skin above, the shocking, slick friction where their bodies joined—it was a sensory overload that mirrored the psychic one. She rose to meet him, each thrust winding the coil of tension tighter in her core.

The intellectual connection burned alongside the physical. With every movement, she felt flashes of his perception: the breathtaking tightness of her body, the flush on her skin, the cascade of her copper hair against the grey deck, the raw, unshielded pleasure in her mind that mirrored his own. He was feeling her feel him, an infinite, dizzying recursion of sensation.

His pace increased, losing its measured cadence, turning urgent, frantic. His breathing became harsh grunts in her ear, interspersed with guttural, alien syllables. His hand slipped between their bodies, his thumb finding the sensitive peak of her pleasure, and the coil snapped.

Her climax tore through her, a silent, wrenching wave that arched her back off the deck. It was not a release, but a transformation, blinding and total. Through the link, she felt his own control finally, completely shatter. He drove into her one last, deep time, his body bowing as a raw, shuddering groan was ripped from his throat. His heat spilled into her, a final, irrevocable integration.

For a long moment, there was only the sound of their struggling breath, the weak pulse of the stasis field around the Orchid. The feedback loop had peaked, crashed, and settled into a deep, resonant hum.

He collapsed beside her, his arm draped heavily over her waist, his face buried in her hair. They lay on the hard floor, skin slick with sweat, limbs entangled.

Slowly, the world came back. The chill of the deck. The ache of new muscles used. The profound, unsettling stillness inside her. The link had faded to a whisper, but the channel was open. She could feel the exhausted, peaceful chaos of his mind, no longer fighting, but… settled.

He shifted, pulling her against him, his body curving around hers. His lips brushed her shoulder. When he spoke, his voice was rough, quiet.

“The variable is integrated.”

She turned her head. His eyes were closed, his severe features softened. He looked his age. He looked peaceful.

Before she could answer, the ship-wide comm chimed, a soft, insistent tone they both knew. Captain’s alert.

Kirk’s voice, calm but edged, filled the room. “All senior officers to the bridge. First Officer Spock, report immediately. We have a priority-one situation.”

The real world rushed in, cold and demanding. Spock’s eyes opened. The peace was gone, replaced by the immediate, sharp focus of command. He moved, separating from her with a fluidity that belied the intimacy of moments before. He stood, gathering his discarded clothes, his back to her. The Vulcan officer was reassembling himself, piece by logical piece.

But as he pulled his tunic on, he turned and looked down at her where she still lay on the deck, covered in nothing but her own hair and the evidence of their joining. His gaze was not one of regret or coldness. It was one of stark, terrible ownership.

“This changes nothing,” he said, his voice now the clear, composed tone of the First Officer. “And everything.”

He turned and walked to the annex door. It opened. He paused on the threshold, a silhouette against the brighter light of the main lab.

“You will report to sickbay for your gamma shift, Nurse Tallentire,” he said, not looking back. “As scheduled.”

He left.

The door hissed shut. Jill lay on the cold floor, alone in the warm, charged silence. The ghost of his body was inside hers, his mind a quiet echo in hers. She felt stretched thin, hollowed out, and impossibly full.

In the corner, the Thelusian orchid in its stasis field gave one final, faint pulse of blue light, and went permanently dark.

In the corner, the Thelusian orchid in its stasis field gave one final, faint pulse of blue light, and went permanently dark.

Jill lay on the cold deck, the sharp smell of ozone and sex hanging in the air. Her body felt like a foreign landscape—aching, used, profoundly mapped. She stared at the ceiling, watching the warp coil schematic slowly scroll. Her mind was a silent, echoing vault where his presence had recently roared.

She finally moved. Every muscle protested. Sitting up, she saw the faint smears on her inner thighs, the physical proof of the variable’s integration. Her white dress was a crumpled pile nearby. She pulled it on, the fabric feeling flimsy and absurd against her sensitized skin. Dressing felt like assembling a costume for a play that had already ended.

The walk back to her quarters was a study in surreality. Each corridor seemed brighter, louder. She passed a yeoman who nodded. The gesture was normal. Everything was normal. Nothing was. She could still feel the phantom pressure of him inside her, a persistent, claiming echo. The psychic whisper was a low hum in her skull, a radio tuned to a dormant station.

Her shower was a mechanical ritual. The water scalded, but couldn’t reach the new core of heat he’d ignited. She scrubbed her skin until it was pink, watching the evidence of him swirl down the drain. It changed nothing. The imprint was internal. Drying off, she avoided her own eyes in the fogged mirror.

Gamma shift in sickbay was a merciful exile. McCoy was engrossed in a genomic sequencing problem, barely glancing up from his scope. “You’re late, Tallentire. Just by a minute. Run afoul of another botanical anomaly?”

“Something like that,” she murmured, busying herself with restocking biobeds.

The work was automatic. Scan, hypospray, chart. Her hands were steady. Her mind was not. It kept replaying the collapse onto the lab deck, the shocking fullness, the raw sound he’d made. She felt a flush spread across her chest and turned away from a patient. The feedback whisper flared for a second with a pulse of… memory? Affirmation? She couldn’t tell.

“You alright?” McCoy’s voice cut through her daze. He was leaning against a console, his arms crossed, studying her with a doctor’s detached concern. “You look… overheated.”

“I’m fine, Doctor. Just tired.”

“Right.” He didn’t believe her. “Well, if you’re coming down with something, don’t spread it around my sickbay. We’ve got enough to handle with this diplomatic delegation beaming aboard tomorrow.” He pushed off the console. “The Andorians. Nosey, prickly, and they have a reflexive distrust of human biology. So look sharp.”

The shift ended without incident. She retreated to her quarters, but sleep was impossible. She sat on her bunk, palms flat on the cool thermosheet. She tried to focus on the hum of the ship, to separate it from the other hum inside her.

Jillian.

The thought-voice was clear, but distant. It wasn’t a sound. It was a shape in her mind, a solid, familiar contour. Spock.

She didn’t know how to answer. She pushed a thought toward it, clumsy and blunt. What?

Are you functional? The question was clinical, yet the channel it traveled on vibrated with subtext.

I’m in my quarters. She felt a wave of his perception—a dim awareness of her location, her solitude, her elevated heart rate. It was intrusive and comforting. Are you? Functional?

The crisis on the bridge was contained. A navigational anomaly in the Mutara sector. It required recalculation. A pause. A sensation of weary focus, the brittle edge of spent control. The recalculation was successful.

She felt the unspoken words. His control was a façade, thinner now. The integration had cost him. I saw the orchid died, she thought.

Its purpose was served. The psionic catalyst is expended. Another pause, longer. This one felt heavy. The residual channel between us appears stable. It has not degraded with distance.

What does that mean?

It means the connection is permanent. The finality of the concept was absolute. It requires management. Delineation. We will need to establish protocols.

Protocols. She almost laughed. Her body still throbbed from his lack of protocol. You’re talking about rules. For this.

For our duties. For our coexistence aboard this vessel. His thought-voice was firm, but beneath it, she sensed the turmoil, the roaring chaos he was walling off with sheer will. We will meet. Tomorrow. 1900 hours. My quarters.

The channel closed. Not abruptly, but with a definitive softening, like a door clicking shut. She was alone with the echo again.

Sleep eventually came, fitful and full of fragmented dreams—red sand, blue light, the feeling of falling.

The next day was a test of endurance. Every ship-wide announcement, every passing shadow in the corridor, made her heart jump. She performed her duties in sickbay under McCoy’s watchful eye, assisting with prepping med-kits for the Andorian delegation’s arrival. The routine was a cage.

At 1850, she stood outside his quarters. Her knuckles hovered before the chime. She wore standard duty trousers and a tunic, armor against whatever this was. The door slid open before she could announce herself.

His quarters were spare, lit by a single amber glow-light. It smelled of sandalwood and logic. He stood by a small table, also in uniform, perfectly composed. He looked like he had slept, but his eyes held a new, profound depth, a darkness that had settled in.

“Enter,” he said.

She stepped in. The door sealed. The silence was immense.

“We must speak of the event,” he began, his hands clasped behind his back.

“Which one? The mind-meld, or what happened after?” Her voice sounded brittle.

“They are a continuous sequence. The latter was a… biological culmination of the former.” He didn’t flinch from the words. “It cannot be repeated.”

The statement hit her like a physical blow. “Why?”

“Because it is illogical. The data is acquired. The hypothesis is proven. Replication would serve no scientific purpose and would incur significant operational risk.” His tone was that of a lecturer. “Our professional relationship must resume its prior parameters. With adjustments for the stable psionic link. We will learn to filter it. To treat it as background noise.”

She stared at him. He was building a wall, stone by logical stone, right in front of her. The man who had shuddered against her, who had cried out in release, was being buried alive. “Background noise,” she repeated flatly.

“Yes.”

“That’s a lie.” She took a step forward. “You’re standing there preaching parameters, and I can feel you. Not clearly, but I feel the effort it’s taking you to say this. It’s like watching someone hold up a collapsing bulkhead.”

His composure flickered. A muscle jumped in his jaw. “What you perceive is irrelevant. The decision is made. For the integrity of the chain of command. For the safety of the ship.”

“This isn’t about the ship!” The anger was sudden, hot. “This is about you being terrified of what it means. Integration, you called it. You don’t want to manage it. You want to bury it. Because it’s easier to be a First Officer than to be… whatever this makes you.”

“You overstep.” His voice dropped, dangerous.

“I’m in your head, Spock. Or haven’t you noticed?” She was close to him now, close enough to see the faint green flush on his cheekbones. “You can’t order me out of there. You said it yourself. It’s permanent.”

His control snapped.

One moment he was a statue. The next, his hands were on her face, his fingers splaying over her temples. “Then see,” he growled, the word raw.

The meld was not gentle. It was an assault.

Images, sensations, emotions flooded her—not from the past, but from the present, from him, right now.

She saw herself through his eyes as she stood there defiant—the grey eyes blazing, the pulse in her throat, a flash of copper hair. She felt the devastating, gut-deep pull of attraction, a physical magnetism that warped his gravity.

She felt the terrifying, beautiful chaos of their joining in the lab, replaying in his memory with perfect, agonizing clarity. The slick, tight heat of her. The shattered relief.

She felt the crushing weight of his duty, the countless lives depending on his clarity, the absolute trust of Jim Kirk. A trust he believed this connection betrayed.

And she felt the fear. Not of her. Of the need. A yawning, addicting hunger that promised to consume every logical process, every disciplined thought, until only the hunger remained. It was the fear of becoming something other. Something Vulcans had a word for: besotted. Undone.

The meld broke. They were both breathing hard, foreheads pressed together. His eyes were screwed shut in pain.

“That is what requires management,” he whispered, his voice shattered. “That is the noise.”

Her anger was gone. Replaced by a devastating understanding. He wasn’t rejecting her. He was trying to save them both from a force he viewed as elemental and destructive. He was begging for the parameters he knew how to obey.

She brought her hands up, covering his where they still cupped her face. Her thumbs stroked his knuckles. “So manage it,” she said softly. “But don’t you dare pretend it’s noise.”

His eyes opened. The conflict in them was a storm.

He kissed her.

It was a kiss of surrender and desperation. There was no lecture in it, only a raw, hungry truth. His arms wrapped around her, crushing her against the hard planes of his body. Her back met the cold bulkhead next to the table. His hands were everywhere, pulling at her tunic, seeking skin.

“This is… inefficient,” he murmured against her mouth, even as he yanked the fabric over her head.

“Shut up,” she breathed, fumbling with the fastening of his trousers. “Just shut up.”

He lifted her. Her legs wrapped around his waist. There was no finesse, no slow burn. He pushed her firmly against the bulkhead and entered her in one deep, claiming stroke. She cried out, her head thumping back against the metal.

The connection was wide open. There was no separation between physical and psychic. Each hard, driving thrust was both a sensation and an emotional broadcast—frustration, fear, and a clawing, undeniable need that was love in its most primal, terrifying form.

He fucked her against the wall of his quarters with a frantic, pounding rhythm. The room was silent except for their ragged breath, the soft slap of skin, the creak of her uniform trousers tangled around one thigh. His mouth was on her neck, biting, sucking. She clawed at his back, urging him deeper, each penetration a jolt of white-hot clarity.

“I cannot…” he gasped, his rhythm fracturing. “I cannot filter this.”

“Don’t,” she begged, her own climax coiling, fed by the twin fires of physical friction and his psychic abandon. “Don’t you dare.”

He groaned, a deep, volcanic sound, and his release triggered hers. It was not a wave but a detonation, shaking through their joined bodies and their linked minds simultaneously, a feedback loop of pure, shattering sensation that left no room for thought or doubt.

Slowly, he lowered her. Her legs wouldn’t hold. They slid to the floor together, a tangled heap of uniforms and spent limbs. The psychic channel was blissfully, peacefully silent, saturated.

Her head rested on his shoulder. His fingers, trembling slightly, traced the mark his teeth had left on her collarbone.

“Protocols,” he said after a long time, his voice rough with exhaustion and something else—acceptance.

“Yeah,” she whispered.

“They will require… revision.”

Before she could answer, the comm badge on his discarded tunic chirped. Uhura’s voice, tight with urgency, filled the quiet room.

“Commander Spock, report to the transporter room immediately. The Andorian delegation has beamed aboard. And… there is a problem. One of them is collapsing. Their physiology is going into catastrophic systemic failure. Sickbay is being alerted.”

Spock’s body went rigid. He looked down at her, at their state of undress, at the intimacy plastered all over them. The storm in his eyes crystallized into pure, cold dread.

The universe, with its relentless, ironic timing, had just called his bluff.

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