1a2a4a = 1a2a4b rotated 180 1a2a3aaaa4?: 897: small cloud 1a2a3aaab4?: 73: tiny cloud 1a2a3aaac4?: 81: tiny cloud 1a2a3aaba4?: infinite: six-pointed star spiral, one point triple 1a2a3aabb4?: 3566: cloud, tries to spiral 1a2a3aaca4?: >25e6, return to start seems unlikely but spiraling not obvious 1a2a3aacb4?: 284: small cloud 1a2a3aacc4?: infinite: rough hexagonal spiral, long startup (o.o. 1e5 units) 1a2a3ab??4?: infinite: airy, very crystalline hexagonal spiral 1a2a3acaa4?: 248: small cloud 1a2a3acab4?: 5715: dense cloud, tries to spiral 1a2a3acbc4?: 29: tiny cloud 1a2a3acca4?: 3793: cloud, tries to spiral 1a2a3accb4?: 46: tiny face 1a2a3accc4?: 23: pair of ears 1a2a3baaa4?: 285: small cloud 1a2a3baab4?: 697: small cloud 1a2a3baac4?: 94: tiny cloud 1a2a3baba4?: 1688: fairly dense cloud 1a2a3babb4?: 496: small cloud 1a2a3bac?4?: 34: tiny proto-spiral 1a2a3bb??4?: 44: snowflake with 1/12 missing 1a2a3bcaa4?: 39: tiny cloud 1a2a3bcab4?: infinite: triangular spiral, two sides ribbed 1a2a3bcbc4?: 35: tabbed truncated triangle 1a2a3bcca4?: 52: tiny cloud 1a2a3bccb4?: infinite: triangular spiral, two sides ribbed 1a2a3bccc4?: 29: tiny cloud 1a2a3caaa4?: infinite: shoot grower (SciAm one?) 1a2a3caab4?: 90: tiny cloud 1a2a3caac4?: 83: tiny cloud 1a2a3caba4?: 50: half-filled-in snowflake 1a2a3cabb4?: 4419: cloud, tries to spiral 1a2a3?abc4?: 90: tiny cloud 1a2a3caca4?: infinite: hexagonal spiral, 1/3 of it dislocated 1a2a3cacb4?: infinite: hexagonal spiral 1a2a3cacc4?: infinite: hexagonal spiral 1a2a3cb??4?: 48: perfect snowflake 1a2a3ccaa4?: 50: tiny cloud 1a2a3ccab4?: 73: tiny cloud 1a2a3?cac4?: 29: tiny cloud 1a2a3?cba4?: infinite: diamond spiral, one point closed 1a2a3?cbb4?: infinite: triangular spiral, one point double, opposite edge ribbed 1a2a3ccbc4?: infinite: shoot, two adjacent rows of hexagons overlapping 1a2a3ccca4?: 219: small cloud 1a2a3cccb4?: 79: tiny cloud 1a2a3cccc4?: 33: hexagon with tabs 1a2b3aaaa4a: 159: small cloud 1a2b3aaaa4b: 732: small dense cloud 1a2b3aaba4a: infinite: K-style spiral 1a2b3aaba4b: infinite: K-style spiral, lower arm double 1a2b3aabc4a: 107: small cloud 1a2b3aabc4b: 294: small dense cloud 1a2b3abaa4a: 7143: cloud, tries to spiral (reverse spiral potential) 1a2b3abaa4b: 4371: cloud, spiral potential 1a2b3abab4a: 306: small cloud 1a2b3abab4b: 454: open small cloud 1a2b3abac4a: 1564: densish cloud 1a2b3abac4b: 419: small cloud 1a2b3abba4a: infinite: six-pointed star, open centre, one point double 1a2b3abba4b: infinite: six-pointed star, open centre, three points double 1a2b3abbc4a: infinite: shoot grower (very large startup, approx 12000) 1a2b3abbc4b: infinite: shoot grower (large startup, approx 2125) 1a2b3abca4a: infinite: shoot grower (large startup, approx 1825) 1a2b3abca4b: infinite: shoot grower (small startup, approx 300) 1a2b3abcb4a: 843: small loose cloud 1a2b3abcb4b: 7275: fairly dense cloud 1a2b3abcc4a: 606: small cloud 1a2b3abcc4b: 356: small cloud 1a2b3acaa4a: 113: small cloud 1a2b3acaa4b: 71: tiny cloud 1a2b3acab4a: 165: small cloud 1a2b3acab4b: infinite: triangular spiral with ribs 1a2b3acba4a: infinite: six-pointed star spiral 1a2b3acbc4a: 114: variant of triangle with tabs: triangle edges grown 1a2b3acbc4b: 48: triangle with tabs 1a2b3acca4a: 113: small cloud 1a2b3acca4b: 393: small cloud 1a2b3accb4a: 1742: dense cloud, spiral potential 1a2b3accb4b: 176: small cloud 1a2b3baaa4a: 45: tiny cloud 1a2b3baaa4b: 78: tiny cloud 1a2b3baba4a: 512: small cloud 1a2b3baba4b: 45477: cloud (very random holes) 1a2b3babc4a: 708: small cloud 1a2b3babc4b: 180: small cloud 1a2b3bbaa4a: 206: small cloud 1a2b3bbaa4b: 130: small cloud 1a2b3bbab4a: 242: small cloud 1a2b3bbab4b: 55: tiny cloud 1a2b3bbac4a: 636: small cloud 1a2b3bbac4b: 62: tiny cloud 1a2b3bbba4a: 138: small cloud 1a2b3bbba4b: 7565: unusually pointy spiral 1a2b3bbbc4a: 321: small cloud 1a2b3bbbc4b: 245: small cloud 1a2b3bbca4a: 338: small cloud 1a2b3bbca4b: 126: small cloud 1a2b3bbcb4a: 286: small cloud 1a2b3bbcb4b: 262: small cloud 1a2b3bbcc4a: 287: almost-symmetrical cloudish object 1a2b3bbcc4b: 533: small cloud with triangular holes 1a2b3bcaa4a: 119: small cloud 1a2b3bcaa4b: 44: tiny cloud 1a2b3bcab4a: 112: small cloud 1a2b3bcab4b: 134: small cloud 1a2b3bcba4a: 1457: cloud 1a2b3bcbc4a: 58: triangle with tabs, with wart 1a2b3bcbc4b: 48: triangle with tabs 1a2b3bcca4a: 132: small cloud 1a2b3bcca4b: 136: small cloud 1a2b3bccb4a: 112: small cloud (=1a2b3bcab4a) 1a2b3bccb4b: 152: small cloud 1a2b3caaa4a: 69: tiny cloud 1a2b3caaa4b: 196: small cloud 1a2b3?aab4?: infinite: bulging triangular spiral 1a2b3?aac4a: 33: tiny cloud 1a2b3?aac4b: 50: tiny cloud 1a2b3caba4a: infinite: hexagonal spiral with spiral rib 1a2b3caba4b: infinite: hexagonal spiral with spiral rib 1a2b3cabc4a: 354: small dense cloud 1a2b3cabc4b: 194: small dense cloud 1a2b3?ac?4?: infinite: hexagonal spiral 1a2b3cbaa4a: 1632: perfect hexagonal crystal 1a2b3cbaa4b: 1632: perfect hexagonal crystal 1a2b3cbab4a: 5148: odd-shaped crystal 1a2b3cbab4b: 1978: crystal melted into snowflake 1a2b3cbac4a: >25e6, very large crystal - conjecture: terminates 1a2b3cbac4b: 52549: monster (not 1a2d3cbac4b!) 1a2b3cbba4a: 4802: marginally asymmetric two-nucleus hexagon crystal 1a2b3cbba4b: 558: perfect two-hexagon crystal 1a2b3cbbc4a: 663: crystalline cloud 1a2b3cbbc4b: 2811: slightly flawed two-hexagon crystal 1a2b3cbca4a: 5708: irregular almost-crystal 1a2b3cbca4b: 2754: flawed two-hexagon crystal 1a2b3cbcb4a: 1574: cloud, spiral potential 1a2b3cbcb4b: 83618: ugly semi-crystalline cloud, tries hard to spiral 1a2b3cbcc4a: >25e6, very large crystal - conjecture: terminates 1a2b3cbcc4b: 534: flawed crystal 1a2b3ccaa4a: 140: small cloud 1a2b3ccaa4b: 55: tiny cloud 1a2b3ccab4a: 10307: dense cloud, tries to spiral 1a2b3ccab4b: 1672: dense cloud, tries to spiral 1a2b3?cac4a: 29: tiny cloud 1a2b3?cac4b: 33: hexagon with tabs 1a2b3ccba4a: infinite: diamond spiral, one point ribbed, other double 1a2b3?cba4b: infinite: diamond spiral, one point ribbed 1a2b3??bb4?: infinite: triangular spiral, one point double 1a2b3ccbc4?: infinite: shoot, two adjacent rows of hexagons overlapping 1a2b3ccca4a: 247: small cloud 1a2b3ccca4b: 148: small cloud 1a2b3cccb4a: 2377: cloud, tries to spiral 1a2b3cccb4b: 623: small cloud, tries to spiral 1a2b3?ccc4a: 29: tiny cloud 1a2b3?ccc4b: 33: hexagon with tabs 1a2c3aaaa4a: 1660: cloud, shoot-grower potential 1a2c3aaaa4b: 970: small dense cloud 1a2c3aaac4a: 83: tiny cloud 1a2c3aaac4b: 105: small cloud 1a2c3aaba4a: infinite: six-pointed star spiral, one point triple 1a2c3aaba4b: infinite: K-style four-pointed spiral, bottom leg ribbed 1a2c3aabc4a: 43: tiny cloud 1a2c3aabc4b: 196: small cloud 1a2c3aaca4?: >25e6 odd piecewise crystalline cloud 1a2c3aacc4a: infinite: rough hexagonal spiral, long startup (approx. 16500 units) 1a2c3abaa4a: 10795: cloud, tries to spiral 1a2c3abaa4b: 1020: cloud, tries to spiral 1a2c3abac4a: 203: small cloud, spiraling potential 1a2c3abac4b: 235: small cloud 1a2c3abba4a: infinite: K-style four-pointed spiral 1a2c3abba4b: infinite: six-pointed star spiral, two points ribbed 1a2c3abbc4a: 4432: cloud, tries to spiral 1a2c3abbc4b: 684: small cloud, spiraling potential 1a2c3abca4a: 130: small cloud 1a2c3abca4b: 196: small cloud 1a2c3abcc4a: 4318: cloud, spiraling potential 1a2c3abcc4b: 475: small cloud, spiraling potential 1a2c3acaa4b: 97: tiny cloud 1a2c3acba4a: infinite: three-pointed spiral 1a2c3acbc4a: 48: triangle with tabs 1a2c3acca4a: 2056: cloud, tries to spiral 1a2c3acca4b: 747: small cloud, tries to spiral 1a2c3baaa4a: 71: tiny cloud 1a2c3baaa4b: 102: small cloud 1a2c3baac4a: 96: tiny cloud 1a2c3baac4b: 67: tiny cloud 1a2c3baba4a: 46: tiny cloud 1a2c3baba4b: 17859: cloud 1a2c3babc4a: 53: tiny cloud 1a2c3babc4b: 67: tiny cloud 1a2c3baca4?: infinite: dislocated hexagonal spiral 1a2c3bacc4a: infinite: flawed hexagonal spiral 1a2c3bbaa4a: 451: small cloud (=1a2c3bbaa4b) 1a2c3bbaa4b: 451: small cloud 1a2c3bbac4a: 67: botched minidoily with wart (=1a2c3bbbc4a) 1a2c3bbac4b: 1932: cloud with many holes, has spiraling potential 1a2c3bbba4a: 138: clound grafted onto two minidoily pieces 1a2c3bbba4b: 73: minidoily grafted onto tiny cloud 1a2c3bbbc4a: 67: botched minidoily with wart 1a2c3bbbc4b: 99: botched dual minidoily 1a2c3bbca4a: 153: small cloud 1a2c3bbca4b: 122: botched dual minidoily 1a2c3bbcc4a: 93: nearly-symmetrical dual minidoily 1a2c3bbcc4b: 61: mangled minidoily 1a2c3bcaa4b: 110: small cloud 1a2c3bcba4a: 212: small cloud 1a2c3bcbc4a: 48: triangle with tabs 1a2c3bcca4a: 398: small cloud 1a2c3bcca4b: 5865: cloud with two big and many small holes 1a2c3caaa4a: 54: tiny cloud 1a2c3caaa4b: 296: small cloud 1a2c3caac4a: 85: tiny cloud 1a2c3caac4b: 295: small cloud 1a2c3caba4a: infinite: hexagonal spiral with spiral rib 1a2c3caba4b: infinite: hexagonal spiral with spiral rib 1a2c3cabc4a: 66: tiny cloud 1a2c3cabc4b: 68: tiny cloud 1a2c3caca4a: >25e6 looks like 1a2c3caca4b 1a2c3caca4b: 918339: random-looking cloud 1a2c3cacc4a: 10460: cloud, tries hard to spiral 1a2c3?acc4b: 86: nice symmetrical figure-8 1a2c3cbaa4a: 1545: flawed doily 1a2c3cbaa4b: 569804: *almost* perfect hexagonal crystal 1a2c3cbac4a: 7524: flawed superdoily 1a2c3cbac4b: 2155: flawed crystal 1a2c3cbba4a: 330: flawed doily 1a2c3cbba4b: 347: doily with handle 1a2c3cbbc4a: 534: suspect identical to 1a2c3cbcc4a 1a2c3cbbc4b: 1831: "cloud crystal": has aspects of both crystal doily and cloud 1a2c3cbca4a: 1550: flawed doily 1a2c3cbca4b: 2754: flawed double hexagonal crystal 1a2c3cbcc4a: 534: flawed double doily 1a2c3cbcc4b: 327: flawed doily 1a2c3?caa4a: 57: tiny cloud 1a2c3ccaa4b: 289: small cloud 1a2c3?cac4a: 48: triangle with tabs 1a2c3?cac4b: 33: hexagon with tabs 1a2c3ccba4a: infinite: diamond spiral 1a2c3?cba4b: infinite: diamond spiral 1a2c3ccbc4a: infinite: shoot, two adjacent rows of hexagons overlapping 1a2c3?cbc4b: 48: triangle with tabs 1a2c3ccca4a: 118: small cloud, has spiraling potential 1a2c3ccca4b: 631: small cloud, has spiraling potential 1a2c3???b4a: 28: four-armed cloud 1a2c3???b4b: 28: four-armed cloud 1a2c3?ccc4a: 29: tiny cloud 1a2c3?ccc4b: 99: defective hexagon-with-tabs (=1a2d3?ccc4b) 1a2d3aaaa4a: 345: small cloud 1a2d3aaaa4b: 5132: dense cloud 1a2d3aaab4a: 201: small cloud 1a2d3aaab4b: 354: small cloud 1a2d3aaac4a: 309: small cloud 1a2d3aaba4?: infinite: flying-saucer-with-legs spiral 1a2d3aabc4a: 735: small cloud 1a2d3ab??4b: infinite: hexagonal spiral 1a2d3acaa4a: 609: small cloud 1a2d3acaa4b: 42: tiny rotationally symmetric cloud 1a2d3acab4a: infinite: triangular spiral with ribs 1a2d3acbc4a: 48: triangle with tabs 1a2d3acca4a: 7882: cloud, tries hard to spiral but never quite makes it 1a2d3acca4b: 2857: cloud, tries to spiral 1a2d3accb4a: 62: tiny cloud 1a2d3baaa4a: 839: small dense cloud 1a2d3baaa4b: 1515: dense cloud 1a2d3baab4a: 237: small cloud, spiraling potential 1a2d3baab4b: 631: small dense cloud 1a2d3baac4a: 181: small cloud 1a2d3baba4a: 2578: suspect identical to 1a2d3baba4b 1a2d3baba4b: 2578: very randomish cloud 1a2d3babc4a: 92: tiny cloud 1a2d3bbaa4b: 236: small cloud, looks very much like 1a2d3bbac4b 1a2d3bbab4b: 101: defective double hexagon doily 1a2d3bbac4b: 248: small cloud, related to 1a2d3bbbc4b 1a2d3bbba4b: 1116: arrowhead-shaped cloud, has spiraling potential 1a2d3bbbb4b: 738: cloud with big hole in the middle, tries to spiral 1a2d3bbbc4b: 514: strange cloud, somewhat like 1a2d3bbcc4b 1a2d3bbca4b: 162: small cloud 1a2d3bbcb4b: 86: defective double hexagon doily 1a2d3bbcc4b: 1063: strange cloud, lots of triangular holes, tries to spiral 1a2d3bcaa4a: 114: small cloud 1a2d3bcaa4b: 53: tiny cloud 1a2d3bcab4a: 134: tiny almost-spiral 1a2d3bcbc4a: 48: triangle with tabs 1a2d3bcca4a: 45: tiny cloud 1a2d3bcca4b: 561: small cloud, one hole 1a2d3bccb4a: 152: small cloud 1a2d3caaa4a: 711: small cloud 1a2d3caaa4b: infinite: shoot grower (SciAm one?) 1a2d3caab4a: 3943: dense cloud 1a2d3caab4b: 304: small cloud 1a2d3caac4a: 247: small cloud 1a2d3?aac4b: 110: small cloud 1a2d3caba4a: infinite: neat carpet-pattern spiral 1a2d3caba4b: 415: weird internally-irregular hexagon 1a2d3?abb4?: infinite: triangular spiral 1a2d3cabc4a: 176: small cloud 1a2d3?abc4b: 57: tiny cloud 1a2d3?ac?4?: infinite: hexagonal spiral 1a2d3cbaa4b: 7584: superdoily 1a2d3cbab4b: 9260: rough-ended crystal 1a2d3cbac4b: 220142: SciAm monster (largest then-known-finite pattern) 1a2d3cbba4b: 173: diamond-like hexagonal crystal 1a2d3cbbb4b: infinite: triangular spiral 1a2d3cbbc4b: 553: prism-like crystal 1a2d3cbca4b: 2565: crystal like two fused hexagons (small version of monster) 1a2d3cbcb4b: 731: cloud like two fused snowflakes 1a2d3?b??4a: 48: minidoily 1a2d3cbcc4b: ? (>40e6) very large crystal - conjecture: terminates 1a2d3ccaa4a: 77: tiny cloud 1a2d3ccaa4b: 151: small cloud 1a2d3ccab4a: 22837: (very solid) cloud 1a2d3?cac4a: 48: triangle with tabs 1a2d3?cac4b: 33: hexagon with tabs 1a2d3?cba4a: infinite: diamond spiral 1a2d3?cba4b: 33: face with ears 1a2d3?cbb4a: infinite: triangular spiral 1a2d3ccbc4a: infinite: shoot, two adjacent rows of hexagons overlapping 1a2d3?cbc4b: 48: triangle with tabs 1a2d3ccca4a: 105: small cloud 1a2d3ccca4b: 2526: cloud 1a2d3cccb4a: 281: small cloud, tries to spiral 1a2d3?c?b4b: 28: four-armed cloud 1a2d3?ccc4a: 29: tiny cloud 1a2d3?ccc4b: 99: defective hexagon-with-tabs 1b2a = 1b2c 1b2a3????4a: 9: radioactivity symbol 1b2b3???a4?: 18: side-3 rough triangle 1b2b3???b4?: infinite: zipper (start with single triangle) 1b2b3???c4?: 12: small arrowhead behind big arrowhead 1b2c3a??a4b: 30: side-4 rough triangle 1b2c3baaa4b: 615: two mountain peaks with holes (smaller 1b2d3baaa4b) 1b2c3bbaa4b: 609: cloud, like two mountains (smaller 1b2d3bbaa4b) 1b2c3bcaa4b: ? (suspiciously like 1b2d3bcaa4b) 1b2c3b?ba4b: 37: peaked bench (side-5 rough triangle with different top) 1b2c3b?ca4b: 45: side-5 rough triangle 1b2c3c??a4b: 27: bench (side-4 rough triangle with corner gone) 1b2c3???b4b: infinite: zipper (start with single triangle) 1b2c3???c4b: 15: two-peaked cap (side-3 smooth triangle with tip gone) 1b2c3????4a: 9: radioactivity symbol 1b2d3a??a4b: 63: side-6 rough triangle 1b2d3baaa4b: 2373: three mountain peaks, with holes in vaguely fractal places 1b2d3baca4b: 411: 1b2d3bbca4b with 9 triangular holes irregularly placed 1b2d3bbaa4b: 2478: cloud, like two mountains (turned) 1b2d3bbca4b: 438: large triangle (side 18) with diamond missing from corner 1b2d3bcaa4b: >25e6 1b2d3b?ba4b: 68: cloud 1b2d3bcca4b: 438: =1b2d3bbca4b 1b2d3???a4a: 18: side-3 rough triangle 1b2d3c??a4b: 48: 25-triangle stretched large radioactivity symbol 1b2d3???b4?: infinite: zipper (start with full period) 1b2d3???c4a: 12: small arrowhead behind big arrowhead 1b2d3???c4b: 21: 10-triangle large radioactivity symbol