| Task ID | min_k | Domain | Metaphor |
| 6 | 1 | biology | A leaning cell membrane stiffens as cytoskeletal filaments anchor its trailing edge |
| 24 | 1 | | Three wolves in sheep's clothing, and the lone sheep must be rescued from the flock. |
| 26 | 1 | | Four creatures trapped in walled-off rooms escape when the walls dissolve, huddling together in a shared den. |
| 35 | 3 | mythology | Colored runes are carved at different heights on a dark monolith. Each rune awakens, sending its power surging across... |
| 45 | 2 | ocean/sailing | Small rafts of one or two lashed boats capsize in the green algal tide. Only flotillas of three or more vessels linke... |
| 47 | 1 | architecture | Blueprints for a single room were photocopied onto transparencies and scattered—each transparency shows only a few ti... |
| 58 | 4 | biology | A cell divides along its spine, replicating itself in the direction its backbone runs |
| 64 | 2 | | A compass needle swings toward a distress flare, and rescue arrives where the flare was lit. |
| 85 | 4 | astronomy | Gravitational lensing warps the image of a distant grid-like nebula — the bottom edge stays true, but each band of li... |
| 90 | 1 | | A compass rose unfurls its cardinal and diagonal beams from a jeweled core, while the equator belt cinches the world ... |
| 91 | 2 | | Two rivers flowing from a mountain peak reveal their true nature by their length. |
| 100 | 1 | astronomy | The night sky is full of stars from many constellations, each star seemingly alone. But one constellation's stars are... |
| 119 | 2 | | A drumline marches in formation, and every third beat strikes the snare — painting it red. |
| 136 | 1 | astronomy | Nebulae in a galactic ring: their spectra redshift one position clockwise while their luminous reach blueshifts one p... |
| 141 | 1 | electronics | Component clusters of various types are soldered onto isolated rectangular pads across a dark circuit board. The engi... |
| 151 | 1 | architecture | Three pillars in a colonnade extend their foundations downward and throw flying buttresses sideways to brace against ... |
| 174 | 3 | | The largest kingdom claims the throne. |
| 194 | 1 | astronomy | A golden meridian divides two star charts. Red nebulae glow only where one chart shows a star and the other shows void. |
| 202 | 1 | | A scale weighs azure ice against red fire, and the balance tips into shadow. |
| 207 | 1 | biology | In a petri dish teeming with microcolonies, each species leaves a unique footprint. The dominant strain—the one that ... |
| 218 | 2 | architecture | A building undergoes façade inversion — the exterior cladding retreats inside while the interior finish wraps the out... |
| 223 | 2 | | Scattered seeds fall and pile into pyramids on the ground. |
| 227 | 2 | electronics | Colored wire traces sheathed into a cable by gauge length |
| 229 | 1 | biology | A cell membrane encloses precious organelles while free-floating proteins drift in the cytoplasm around it. |
| 236 | 4 | mythology | The Tower of Babel mid-collapse — divine wrath pins the foundation stones while each higher course of masonry is flun... |
| 245 | 1 | ocean/sailing | A capsizing vessel lists apart—the sail and rigging above the waterline heel to port while the keel and hull below th... |
| 251 | 1 | mythology | A red oracle sits at the crossroads while green spirits gather in one quarter of the sacred grove. When the ritual ma... |
| 262 | 3 | biology | Each organism bears a single azure mutation at one extremity — a genetic compass needle. During mitosis, the cell col... |
| 270 | 3 | biology | A green nucleus pulses at the heart of the cell, and a red organelle undergoes mitotic division — splitting into iden... |
| 290 | 1 | astronomy | Two nebulae drift through the same region of space — wherever either cloud has matter, the overlap glows with new sta... |
| 302 | 3 | | Breathing squares exhale inward, and the smallest take their deepest breath back out. |
| 317 | 2 | | Rockets on a launchpad leap upward by their own height, hovering just above where they used to stand. |
| 319 | 2 | ocean/sailing | Flotsam of different colors drifts in scattered patches across the sea; the tide pushes it all into a single reef — t... |
| 322 | 3 | astronomy | A nebula drifts toward the accretion disk and settles against it, while a shock front forms on its outer boundary. |
| 349 | 4 | mythology | A phoenix is reborn in cycles of increasing splendor — a single spark, then twin flames, then a triple blaze — buildi... |
| 357 | 1 | | A butterfly unfolds its wings from a single decorated panel pressed against the window of a cross-shaped frame. |
| 363 | 3 | astronomy | Twin nebulae drift at the edges of a dark expanse, mirror images of each other, and the void between glows faintly wi... |
| 370 | 1 | | Only in the silence between two conversations can you hear the whisper. |
| 381 | 2 | | Butterflies pinned to a collector's board are removed and pressed into a field journal, spine to spine. |
| 387 | 1 | biology | Two organisms, one dominant and one recessive, share the same niche. Where the dominant species cannot reach, the rec... |
| 389 | 1 | | Compass needles trapped in amber, signaling their true north to the fortress walls |
| 398 | 1 | biology | Three species of lichen colonize the same rock face. The magenta fungus is most aggressive and claims any territory i... |
| 408 | 2 | music | An orchestra warms up in cacophony, but four tuning forks hidden at the edges of the concert hall resonate at the sam... |
| 416 | 2 | biology | A cell biologist examines a tissue sample under the microscope. The diversity of cell types determines whether the or... |
| 417 | 1 | sports | A formation with a gap in its corner launches the ball through the opening, and it rolls diagonally across the field ... |
| 418 | 1 | biology | A cellular biologist stains tissue samples under a microscope, applying different fluorescent dyes depending on how m... |
| 421 | 1 | | A vampire stands before a mirror that reveals not its reflection, but the negative space where it should be. |
| 430 | 2 | biology | Certain enzymes along a chromosome express themselves differently depending on their type, sending protein chains of ... |
| 432 | 1 | | A mandala holds its full truth in a single petal. |
| 433 | 1 | mythology | Fallen souls descend one tier toward the River Styx; any soul that touches the river's edge is seized and split into ... |
| 440 | 2 | | Saplings at the riverbank grow to full trees, but full-grown trees uproot and cast their shadows on the far shore. |
| 443 | 2 | astronomy | A yellow pulsar whose beam skews to one side causes the azure nebula to project its mirror image into the adjacent void. |
| 449 | 2 | biology | A membrane separates living tissue from decay — below it, cells multiply to fill every gap; above it, necrosis claims... |
| 454 | 4 | biology | A cell undergoes mitotic division, but each daughter inherits the mother's memory at a different angle of the spindle... |
| 460 | 1 | biology | A single stem cell divides along two axes, and the daughter cells inherit different gene expressions depending on whi... |
| 461 | 2 | biology | Cells in a tissue matrix absorb the dominant signal from their surrounding membrane receptors. |
| 467 | 3 | warfare | A fortress holds the center, but sappers have already breached at the corners and now tunnel outward, digging one tre... |
| 475 | 1 | | A mirror hangs on the wall, and everything reflected in it appears in swapped colors. |
| 477 | 2 | | A butterfly unfolds its wings from a single scale pattern. |
| 479 | 2 | | A grey kingdom gazes into a mirror and sees its own face repeated in each of its provinces. |
| 496 | 1 | biology | A tissue sample under the microscope: green and blue proteins form a structural lattice, while the unpigmented inters... |
| 499 | 1 | | Two rival plants compete for sunlight, and the one that grows more after the fence wins the garden. |
| 500 | 1 | biology | A row of cell cultures in petri dishes, each showing different levels of colony growth across their sample layers. Th... |
| 535 | 1 | electronics | On a dark circuit board, several blue chip arrays are mounted in separate zones. Within each array, a few transistors... |
| 536 | 1 | astronomy | A constellation maps its own stars onto the sky — each bright star in the constellation projects the whole pattern on... |
| 543 | 2 | biology | In a petri dish teeming with competing colonies, the species that outgrows all others leaves its signature protein fo... |
| 552 | 2 | | A pebble dropped in a pond sends out ripples painted in the colors of a rainbow overhead. |
| 561 | 3 | biology | Two cell membranes, each with protein channels, are layered over a tissue. Only where both membranes have open pores ... |
| 602 | 3 | mythology | A runic inscription at the corner of a sacred threshold is chanted once for every stone in the temple wall, and each ... |
| 611 | 1 | astronomy | A telescope's CCD captures a grid of nebula segments separated by diffraction spikes of a single wavelength. Each seg... |
| 620 | 1 | | A kite drifts home to the center of its flying field. |
| 648 | 2 | electronics | A circuit board is folded along its center trace. Wherever solder pads align across the fold, current flows and they ... |
| 652 | 1 | biology | Blue colonies drift on a dark petri dish. Azure mutations appear within some colonies — a single mutation is benign, ... |
| 655 | 1 | astronomy | A comet traces the longest diagonal corridor through a nebula's dust lanes. |
| 662 | 1 | | An archaeologist restores the largest damaged section of a mosaic floor. |
| 674 | 2 | biology | Two nuclei in a shared cell each emit chemical signals along their axes. Scattered organelles that detect the right s... |
| 683 | 1 | | A spy encrypts messages using a codebook, and you must decode a new message using the same cipher. |
| 696 | 1 | dance | Troupes leaping by the collective spring of their dancers |
| 705 | 2 | electronics | Two charged terminals on the same trace reach toward each other, each building up a capacitor plate at the point of n... |
| 706 | 2 | mythology | A demigod touches a stone idol and their divine essence flows through every crack, transforming the whole statue — th... |
| 718 | 2 | sports | Players on a field claim territory based on how many rival teams showed up to the tournament — more competitors, more... |
| 723 | 1 | | An elevator descending floor by floor — predict which floor it arrives at next. |
| 724 | 1 | biology | A colony of golden cells stretches across three tissue layers. The central artery pulses strongest, and at regular in... |
| 731 | 1 | ocean/sailing | Cargo loads into a hull only when every crate fits a hold and every hold gets a crate — mismatched manifest and the s... |
| 783 | 2 | | Two lighthouses signal each other across a dark sea, and their crossing beams trace a cat's eye on the water. |
| 784 | 1 | biology | Genes express only when both parents carry the trait — recessive alleles in flanking cells activate the dormant center. |
| 798 | 2 | biology | Three genes compete for expression in the same tissue, and dominance determines which phenotype shows. |
| 813 | 3 | theater | Amber spotlights lock onto each other across the stage, and every actor caught in the cross-beam is revealed in costu... |
| 816 | 1 | | A rising flood fills a walled courtyard but cannot enter the sheltered pavilion. |
| 817 | 1 | astronomy | Stars along a three-band constellation chart — the terminal star's position in the sky determines which stars flare i... |
| 818 | 1 | music | The green chord resonates at center stage, and only those notes tuned to its frequency sustain their tone along the s... |
| 819 | 3 | biology | Cells of a single species colonize the petri dish in unpredictable clusters, but every species folds into the same ge... |
| 820 | 1 | | A mirror reveals what's missing and what's imagined — ghosts glow blue, and memories burn red. |
| 827 | 2 | | Only the dancer whose reflection is perfect earns a place on the stage. |
| 869 | 3 | | Each ribbon sends a secret signal to the lighthouse, but the signal's color is alchemically transmuted by the ribbon'... |
| 895 | 2 | | A green laser beam bounces off prisms in a dark room |
| 916 | 1 | mythology | Grey serpents coil through the underworld's darkness, each serpent a single unbroken body that never entwines with an... |
| 921 | 1 | biology | Four strains of bacteria colonize a petri dish divided by nutrient barriers. When the barriers dissolve, they compete... |
| 931 | 6 | geology | Four mineral veins intersect in a cross-section, and at every point the hardest mineral displaces the softer ones. |
| 939 | 3 | biology | A enzyme reads the folding pattern of a receptor protein and activates a pigment gene, dyeing a nearby cell cluster i... |
| 941 | 3 | astronomy | Three spectral filters are mounted on a telescope's eyepiece column. They peer down at a star chart full of colored n... |
| 965 | 1 | astronomy | A few colored stars ignite in an otherwise dark sky. Each star's gravitational pull compresses its entire meridian in... |
| 966 | 1 | biology | A virus carries its protein coat encoded around a dormant nucleus; wherever receptor sites glow on the membrane, the ... |
| 977 | 1 | biology | A geneticist reconstructs a corrupted segment of DNA by recognizing the codon repeat cycle that governs the rest of t... |
| 982 | 2 | astronomy | A constellation duplicates itself at the far diagonal of an expanding universe, and wherever binary stars face each o... |
| 983 | 1 | theater | Two stagehands pin marks on one edge of the curtain. When the cue comes, the curtain is cut along its center seam and... |
| 985 | 1 | | A clam opens its shell and reveals the pearl's negative image inside each half. |
| 987 | 2 | sports | The championship arena's lines are repainted in the visiting team's color after fans storm the field. |
| 988 | 1 | | Each building casts a green shadow whose length reveals how many departments work inside. |
| 996 | 1 | | An election within a walled city — the majority faction tears down the old walls and rebuilds them in its own color, ... |