H_X (380 checks, sparse supports)
[0, 1, 21, 22]
[26, 27]
[3, 4, 28, 29]
[5, 6, 30, 31]
[8, 34]
[9, 35, 36]
[10, 11, 37, 38]
[12, 13, 39, 40]
[15, 16, 43, 44]
[17, 45, 46]
[18, 47, 48]
[19, 20, 49, 50]
[22, 23, 53, 54]
[24, 25, 55, 56]
[27, 28, 59, 60]
[29, 30, 61, 62]
[31, 32, 63, 64]
[33, 34, 65, 66]
[36, 37, 69, 70]
[38, 39, 71, 72]
[40, 41, 73, 74]
[42, 43, 75, 76]
[46, 47, 79, 80]
[48, 49, 81, 82]
[50, 51, 83]
[52, 53, 84, 85]
[54, 55, 86, 87]
[56, 57, 88, 89]
[58, 59, 90, 91]
[62, 63, 94, 95]
[64, 65, 96, 97]
[66, 67, 98, 99]
[68, 69, 100, 101]
[72, 73, 104, 105]
[74, 75, 106, 107]
[76, 77, 108, 109]
[78, 79, 110, 111]
[82, 83, 114, 115]
[87, 88, 117, 118]
[89, 90, 119, 120]
[91, 92, 121, 122]
[93, 94, 123, 124]
[97, 98, 127, 128]
[99, 100, 129, 130]
[101, 102, 131, 132]
[103, 104, 133, 134]
[107, 108, 137, 138]
[109, 110, 139, 140]
[111, 112, 141, 142]
[113, 114, 143, 144]
[116, 117, 150, 151]
[120, 121, 154, 155]
[122, 123, 156, 157]
[124, 125, 158, 159]
[126, 127, 160, 161]
[130, 131, 164, 165]
[132, 133, 166, 167]
[134, 135, 168, 169]
[136, 137, 170, 171]
[140, 141, 174, 175]
[142, 143, 176, 177]
[144, 145, 178, 179]
[146, 147, 180]
[149, 150, 182, 183]
[151, 152, 184, 185]
[153, 154, 186, 187]
[157, 158, 190, 191]
[159, 160, 192, 193]
[161, 162, 194, 195]
[163, 164, 196, 197]
[167, 168, 200, 201]
[169, 170, 202, 203]
[171, 172, 204, 205]
[173, 174, 206, 207]
[177, 178, 210, 211]
[179, 180, 212, 213]
[183, 184, 217, 218]
[185, 186, 219, 220]
[187, 188, 221, 222]
[189, 190, 223, 224]
[193, 194, 227, 228]
[195, 196, 229, 230]
[197, 198, 231, 232]
[199, 200, 233, 234]
[203, 204, 237, 238]
[205, 206, 239, 240]
[207, 208, 241, 242]
[209, 210, 243, 244]
[213, 214, 247, 248]
[216, 217, 250, 251]
[220, 221, 254, 255]
[222, 223, 256, 257]
[224, 225, 258, 259]
[226, 227, 260, 261]
[230, 231, 264, 265]
[232, 233, 266, 267]
[234, 235, 268, 269]
[236, 237, 270, 271]
[240, 241, 274, 275]
[242, 243, 276, 277]
[244, 245, 278, 279]
[246, 247, 280, 281]
[249, 250, 283, 284]
[251, 252, 285, 286]
[253, 254, 287, 288]
[257, 258, 291, 292]
[259, 260, 293, 294]
[261, 262, 295, 296]
[263, 264, 297, 298]
[267, 268, 301, 302]
[269, 270, 303, 304]
[271, 272, 305, 306]
[273, 274, 307, 308]
[277, 278, 311, 312]
[279, 280, 313, 314]
[281, 282, 315, 316]
[284, 285, 318, 319]
[286, 287, 320, 321]
[288, 289, 322, 323]
[290, 291, 324, 325]
[294, 295, 328, 329]
[296, 297, 330, 331]
[298, 299, 332, 333]
[300, 301, 334, 335]
[304, 305, 338, 339]
[306, 307, 340, 341]
[308, 309, 342, 343]
[310, 311, 344, 345]
[314, 315, 348, 349]
[317, 318, 351, 352]
[321, 322, 355, 356]
[323, 324, 357, 358]
[325, 326, 359, 360]
[327, 328, 361, 362]
[331, 332, 365, 366]
[333, 334, 367, 368]
[335, 336, 369, 370]
[337, 338, 371, 372]
[341, 342, 375, 376]
[343, 344, 377, 378]
[345, 346, 379, 380]
[347, 348, 381, 382]
[352, 353, 385, 386]
[354, 355, 387, 388]
[358, 359, 391, 392]
[360, 361, 393, 394]
[362, 363, 395, 396]
[364, 365, 397, 398]
[368, 369, 401, 402]
[370, 371, 403, 404]
[372, 373, 405, 406]
[374, 375, 407, 408]
[378, 379, 411, 412]
[380, 381, 413, 414]
[382, 383, 415, 416]
[384, 385, 417]
[386, 387, 418, 419]
[388, 389, 420, 421]
[390, 391, 422, 423]
[394, 395, 426, 427]
[396, 397, 428, 429]
[398, 399, 430, 431]
[400, 401, 432, 433]
[404, 405, 436, 437]
[406, 407, 438, 439]
[408, 409, 440, 441]
[410, 411, 442, 443]
[414, 415, 446, 447]
[419, 420, 449, 450]
[421, 422, 451, 452]
[423, 424, 453, 454]
[425, 426, 455, 456]
[429, 430, 459, 460]
[431, 432, 461, 462]
[433, 434, 463, 464]
[435, 436, 465, 466]
[439, 440, 469, 470]
[441, 442, 471, 472]
[443, 444, 473, 474]
[445, 446, 475, 476]
[448, 449, 482, 483]
[452, 453, 486, 487]
[454, 455, 488, 489]
[456, 457, 490, 491]
[458, 459, 492, 493]
[462, 463, 496, 497]
[464, 465, 498, 499]
[466, 467, 500, 501]
[468, 469, 502, 503]
[472, 473, 506, 507]
[474, 475, 508, 509]
[476, 477, 510, 511]
[478, 479, 512]
[481, 482, 514, 515]
[483, 484, 516, 517]
[485, 486, 518, 519]
[489, 490, 522, 523]
[491, 492, 524, 525]
[493, 494, 526, 527]
[495, 496, 528, 529]
[499, 500, 532, 533]
[501, 502, 534, 535]
[503, 504, 536, 537]
[505, 506, 538, 539]
[509, 510, 542, 543]
[511, 512, 544, 545]
[515, 516, 549, 550]
[517, 518, 551, 552]
[519, 520, 553, 554]
[521, 522, 555, 556]
[525, 526, 559, 560]
[527, 528, 561, 562]
[529, 530, 563, 564]
[531, 532, 565, 566]
[535, 536, 569, 570]
[537, 538, 571, 572]
[539, 540, 573, 574]
[541, 542, 575, 576]
[545, 546, 579, 580]
[548, 549, 582, 583]
[552, 553, 586, 587]
[554, 555, 588, 589]
[556, 557, 590, 591]
[558, 559, 592, 593]
[562, 563, 596, 597]
[564, 565, 598, 599]
[566, 567, 600, 601]
[568, 569, 602, 603]
[572, 573, 606, 607]
[574, 575, 608, 609]
[576, 577, 610, 611]
[578, 579, 612, 613]
[581, 582, 615, 616]
[583, 584, 617, 618]
[585, 586, 619, 620]
[589, 590, 623, 624]
[591, 592, 625, 626]
[593, 594, 627, 628]
[595, 596, 629, 630]
[599, 600, 633, 634]
[601, 602, 635, 636]
[603, 604, 637, 638]
[605, 606, 639, 640]
[609, 610, 643, 644]
[611, 612, 645, 646]
[613, 614, 647, 648]
[616, 617, 650, 651]
[618, 619, 652, 653]
[620, 621, 654, 655]
[622, 623, 656, 657]
[626, 627, 660, 661]
[628, 629, 662, 663]
[630, 631, 664, 665]
[632, 633, 666, 667]
[636, 637, 670, 671]
[638, 639, 672, 673]
[640, 641, 674, 675]
[642, 643, 676, 677]
[646, 647, 680, 681]
[649, 650, 683, 684]
[653, 654, 687, 688]
[655, 656, 689, 690]
[657, 658, 691, 692]
[659, 660, 693, 694]
[663, 664, 697, 698]
[665, 666, 699, 700]
[667, 668, 701, 702]
[669, 670, 703, 704]
[673, 674, 707, 708]
[675, 676, 709, 710]
[677, 678, 711, 712]
[679, 680, 713, 714]
[684, 685, 717, 718]
[686, 687, 719, 720]
[690, 691, 723, 724]
[692, 693, 725, 726]
[694, 695, 727, 728]
[696, 697, 729, 730]
[700, 701, 733, 734]
[702, 703, 735, 736]
[704, 705, 737, 738]
[706, 707, 739, 740]
[710, 711, 743, 744]
[712, 713, 745, 746]
[714, 715, 747, 748]
[716, 717, 750, 751]
[718, 719, 752, 753]
[720, 721, 754, 755]
[722, 723, 756, 757]
[726, 727, 760, 761]
[728, 729, 762, 763]
[730, 731, 764, 765]
[732, 733, 766, 767]
[736, 737, 770, 771]
[738, 739, 772, 773]
[740, 741, 774, 775]
[742, 743, 776, 777]
[746, 747, 780, 781]
[748, 749, 782, 783]
[753, 754, 787, 788]
[755, 756, 789, 790]
[757, 758, 791, 792]
[759, 760, 793, 794]
[763, 764, 797, 798]
[765, 766, 799, 800]
[767, 768, 801, 802]
[769, 770, 803, 804]
[773, 774, 807, 808]
[775, 776, 809, 810]
[777, 778, 811, 812]
[779, 780, 813, 814]
[784, 785, 817, 818]
[786, 787, 819, 820]
[790, 791, 823, 824]
[792, 793, 825, 826]
[794, 795, 827, 828]
[796, 797, 829, 830]
[800, 801, 833, 834]
[802, 803, 835, 836]
[804, 805, 837, 838]
[806, 807, 839, 840]
[810, 811, 843, 844]
[812, 813, 845, 846]
[814, 815, 847, 848]
[816, 849]
[818, 819, 851, 852]
[820, 821, 853, 854]
[822, 823, 855, 856]
[826, 827, 859, 860]
[828, 829, 861, 862]
[830, 831, 863, 864]
[832, 833, 865, 866]
[836, 837, 869, 870]
[838, 839, 871, 872]
[840, 841, 873, 874]
[842, 843, 875, 876]
[846, 847, 879, 880]
[848, 849, 881, 882]
[852, 853, 884, 885]
[854, 855, 886, 887]
[856, 857, 888, 889]
[858, 859, 890, 891]
[862, 863, 893, 894]
[864, 865, 895, 896]
[866, 867, 897, 898]
[868, 869, 899, 900]
[872, 873, 903, 904]
[874, 875, 905, 906]
[876, 877, 907, 908]
[878, 879, 909, 910]
[882, 883, 913, 914]
[887, 888, 918, 919]
[889, 890, 920, 921]
[891, 892, 922]
[896, 897, 926, 927]
[898, 899, 928, 929]
[900, 901, 930, 931]
[902, 903, 932, 933]
[906, 907, 936, 937]
[908, 909, 938, 939]
[910, 911, 940, 941]
[912, 913, 942, 943]
[148, 181]
[1, 2]
[648, 682]
[923, 924]
[13, 14]
[316, 350]
[915, 916]
[480, 513]
[943, 944]
[6, 7]
[933, 934]
[817, 850]
[8, 34]
[181, 182, 215, 216]
[513, 514, 547, 548]
[885, 886, 916, 917]
[894, 895, 924, 925]
[904, 905, 934, 935]
H_Z (398 checks, sparse supports)
[1, 2, 22, 23]
[24, 25]
[4, 5, 29, 30]
[6, 7, 31, 32]
[8, 33, 34]
[9, 35]
[11, 12, 38, 39]
[13, 14, 40, 41]
[15, 42, 43]
[16, 17, 44, 45]
[18, 19, 48, 49]
[20, 50, 51]
[21, 22, 52, 53]
[23, 24, 54, 55]
[26, 27, 58, 59]
[28, 29, 60, 61]
[30, 31, 62, 63]
[32, 33, 64, 65]
[35, 36, 68, 69]
[37, 38, 70, 71]
[39, 40, 72, 73]
[41, 42, 74, 75]
[45, 46, 78, 79]
[47, 48, 80, 81]
[49, 50, 82, 83]
[55, 56, 87, 88]
[57, 58, 89, 90]
[59, 60, 91, 92]
[61, 62, 93, 94]
[65, 66, 97, 98]
[67, 68, 99, 100]
[69, 70, 101, 102]
[71, 72, 103, 104]
[75, 76, 107, 108]
[77, 78, 109, 110]
[79, 80, 111, 112]
[81, 82, 113, 114]
[84, 85]
[86, 87, 116, 117]
[88, 89, 118, 119]
[90, 91, 120, 121]
[94, 95, 124, 125]
[96, 97, 126, 127]
[98, 99, 128, 129]
[100, 101, 130, 131]
[104, 105, 134, 135]
[106, 107, 136, 137]
[108, 109, 138, 139]
[110, 111, 140, 141]
[114, 115, 144, 145]
[146, 147]
[116, 149, 150]
[117, 118, 151, 152]
[121, 122, 155, 156]
[123, 124, 157, 158]
[125, 126, 159, 160]
[127, 128, 161, 162]
[131, 132, 165, 166]
[133, 134, 167, 168]
[135, 136, 169, 170]
[137, 138, 171, 172]
[141, 142, 175, 176]
[143, 144, 177, 178]
[145, 146, 179, 180]
[148, 149, 181, 182]
[152, 153, 185, 186]
[154, 155, 187, 188]
[156, 157, 189, 190]
[158, 159, 191, 192]
[162, 163, 195, 196]
[164, 165, 197, 198]
[166, 167, 199, 200]
[168, 169, 201, 202]
[172, 173, 205, 206]
[174, 175, 207, 208]
[176, 177, 209, 210]
[178, 179, 211, 212]
[182, 183, 216, 217]
[184, 185, 218, 219]
[186, 187, 220, 221]
[188, 189, 222, 223]
[192, 193, 226, 227]
[194, 195, 228, 229]
[196, 197, 230, 231]
[198, 199, 232, 233]
[202, 203, 236, 237]
[204, 205, 238, 239]
[206, 207, 240, 241]
[208, 209, 242, 243]
[212, 213, 246, 247]
[215, 216, 249, 250]
[217, 218, 251, 252]
[219, 220, 253, 254]
[223, 224, 257, 258]
[225, 226, 259, 260]
[227, 228, 261, 262]
[229, 230, 263, 264]
[233, 234, 267, 268]
[235, 236, 269, 270]
[237, 238, 271, 272]
[239, 240, 273, 274]
[243, 244, 277, 278]
[245, 246, 279, 280]
[247, 248, 281, 282]
[250, 251, 284, 285]
[254, 255, 288, 289]
[256, 257, 290, 291]
[258, 259, 292, 293]
[260, 261, 294, 295]
[264, 265, 298, 299]
[266, 267, 300, 301]
[268, 269, 302, 303]
[270, 271, 304, 305]
[274, 275, 308, 309]
[276, 277, 310, 311]
[278, 279, 312, 313]
[280, 281, 314, 315]
[285, 286, 319, 320]
[287, 288, 321, 322]
[289, 290, 323, 324]
[291, 292, 325, 326]
[295, 296, 329, 330]
[297, 298, 331, 332]
[299, 300, 333, 334]
[301, 302, 335, 336]
[305, 306, 339, 340]
[307, 308, 341, 342]
[309, 310, 343, 344]
[311, 312, 345, 346]
[315, 316, 349, 350]
[318, 319, 352, 353]
[320, 321, 354, 355]
[322, 323, 356, 357]
[326, 327, 360, 361]
[328, 329, 362, 363]
[330, 331, 364, 365]
[332, 333, 366, 367]
[336, 337, 370, 371]
[338, 339, 372, 373]
[340, 341, 374, 375]
[342, 343, 376, 377]
[346, 347, 380, 381]
[348, 349, 382, 383]
[351, 352, 384, 385]
[353, 354, 386, 387]
[357, 358, 390, 391]
[359, 360, 392, 393]
[361, 362, 394, 395]
[363, 364, 396, 397]
[367, 368, 400, 401]
[369, 370, 402, 403]
[371, 372, 404, 405]
[373, 374, 406, 407]
[377, 378, 410, 411]
[379, 380, 412, 413]
[381, 382, 414, 415]
[383, 416]
[387, 388, 419, 420]
[389, 390, 421, 422]
[391, 392, 423, 424]
[393, 394, 425, 426]
[397, 398, 429, 430]
[399, 400, 431, 432]
[401, 402, 433, 434]
[403, 404, 435, 436]
[407, 408, 439, 440]
[409, 410, 441, 442]
[411, 412, 443, 444]
[413, 414, 445, 446]
[418, 419, 448, 449]
[420, 421, 450, 451]
[422, 423, 452, 453]
[426, 427, 456, 457]
[428, 429, 458, 459]
[430, 431, 460, 461]
[432, 433, 462, 463]
[436, 437, 466, 467]
[438, 439, 468, 469]
[440, 441, 470, 471]
[442, 443, 472, 473]
[446, 447, 476, 477]
[478, 479]
[448, 481, 482]
[449, 450, 483, 484]
[453, 454, 487, 488]
[455, 456, 489, 490]
[457, 458, 491, 492]
[459, 460, 493, 494]
[463, 464, 497, 498]
[465, 466, 499, 500]
[467, 468, 501, 502]
[469, 470, 503, 504]
[473, 474, 507, 508]
[475, 476, 509, 510]
[477, 478, 511, 512]
[480, 481, 513, 514]
[484, 485, 517, 518]
[486, 487, 519, 520]
[488, 489, 521, 522]
[490, 491, 523, 524]
[494, 495, 527, 528]
[496, 497, 529, 530]
[498, 499, 531, 532]
[500, 501, 533, 534]
[504, 505, 537, 538]
[506, 507, 539, 540]
[508, 509, 541, 542]
[510, 511, 543, 544]
[514, 515, 548, 549]
[516, 517, 550, 551]
[518, 519, 552, 553]
[520, 521, 554, 555]
[524, 525, 558, 559]
[526, 527, 560, 561]
[528, 529, 562, 563]
[530, 531, 564, 565]
[534, 535, 568, 569]
[536, 537, 570, 571]
[538, 539, 572, 573]
[540, 541, 574, 575]
[544, 545, 578, 579]
[547, 548, 581, 582]
[549, 550, 583, 584]
[551, 552, 585, 586]
[555, 556, 589, 590]
[557, 558, 591, 592]
[559, 560, 593, 594]
[561, 562, 595, 596]
[565, 566, 599, 600]
[567, 568, 601, 602]
[569, 570, 603, 604]
[571, 572, 605, 606]
[575, 576, 609, 610]
[577, 578, 611, 612]
[579, 580, 613, 614]
[582, 583, 616, 617]
[586, 587, 620, 621]
[588, 589, 622, 623]
[590, 591, 624, 625]
[592, 593, 626, 627]
[596, 597, 630, 631]
[598, 599, 632, 633]
[600, 601, 634, 635]
[602, 603, 636, 637]
[606, 607, 640, 641]
[608, 609, 642, 643]
[610, 611, 644, 645]
[612, 613, 646, 647]
[617, 618, 651, 652]
[619, 620, 653, 654]
[621, 622, 655, 656]
[623, 624, 657, 658]
[627, 628, 661, 662]
[629, 630, 663, 664]
[631, 632, 665, 666]
[633, 634, 667, 668]
[637, 638, 671, 672]
[639, 640, 673, 674]
[641, 642, 675, 676]
[643, 644, 677, 678]
[647, 648, 681, 682]
[650, 651, 684, 685]
[652, 653, 686, 687]
[654, 655, 688, 689]
[658, 659, 692, 693]
[660, 661, 694, 695]
[662, 663, 696, 697]
[664, 665, 698, 699]
[668, 669, 702, 703]
[670, 671, 704, 705]
[672, 673, 706, 707]
[674, 675, 708, 709]
[678, 679, 712, 713]
[680, 681, 714, 715]
[683, 684, 716, 717]
[685, 686, 718, 719]
[689, 690, 722, 723]
[691, 692, 724, 725]
[693, 694, 726, 727]
[695, 696, 728, 729]
[699, 700, 732, 733]
[701, 702, 734, 735]
[703, 704, 736, 737]
[705, 706, 738, 739]
[709, 710, 742, 743]
[711, 712, 744, 745]
[713, 714, 746, 747]
[715, 748, 749]
[719, 720, 753, 754]
[721, 722, 755, 756]
[723, 724, 757, 758]
[725, 726, 759, 760]
[729, 730, 763, 764]
[731, 732, 765, 766]
[733, 734, 767, 768]
[735, 736, 769, 770]
[739, 740, 773, 774]
[741, 742, 775, 776]
[743, 744, 777, 778]
[745, 746, 779, 780]
[750, 751, 784, 785]
[752, 753, 786, 787]
[754, 755, 788, 789]
[756, 757, 790, 791]
[760, 761, 794, 795]
[762, 763, 796, 797]
[764, 765, 798, 799]
[766, 767, 800, 801]
[770, 771, 804, 805]
[772, 773, 806, 807]
[774, 775, 808, 809]
[776, 777, 810, 811]
[780, 781, 814, 815]
[785, 786, 818, 819]
[787, 788, 820, 821]
[791, 792, 824, 825]
[793, 794, 826, 827]
[795, 796, 828, 829]
[797, 798, 830, 831]
[801, 802, 834, 835]
[803, 804, 836, 837]
[805, 806, 838, 839]
[807, 808, 840, 841]
[811, 812, 844, 845]
[813, 814, 846, 847]
[815, 816, 848, 849]
[817, 818, 850, 851]
[821, 822, 854, 855]
[823, 824, 856, 857]
[825, 826, 858, 859]
[827, 828, 860, 861]
[831, 832, 864, 865]
[833, 834, 866, 867]
[835, 836, 868, 869]
[837, 838, 870, 871]
[841, 842, 874, 875]
[843, 844, 876, 877]
[845, 846, 878, 879]
[847, 848, 880, 881]
[851, 852, 884]
[853, 854, 885, 886]
[855, 856, 887, 888]
[857, 858, 889, 890]
[861, 862, 893]
[863, 864, 894, 895]
[865, 866, 896, 897]
[867, 868, 898, 899]
[871, 872, 902, 903]
[873, 874, 904, 905]
[875, 876, 906, 907]
[877, 878, 908, 909]
[881, 882, 912, 913]
[884, 885, 915, 916]
[886, 887, 917, 918]
[890, 891, 921, 922]
[893, 894, 923, 924]
[895, 896, 925, 926]
[899, 900, 929, 930]
[901, 902, 931, 932]
[903, 904, 933, 934]
[905, 906, 935, 936]
[909, 910, 939, 940]
[911, 912, 941, 942]
[913, 914, 943, 944]
[936, 937]
[214, 248]
[546, 580]
[938, 939]
[0, 21]
[649, 683]
[317, 351]
[581, 615]
[920, 921]
[10, 11]
[928, 929]
[883, 914]
[249, 283]
[3, 4]
[926, 927]
[918, 919]
[52, 84]
[911, 940]
[749, 782]
[52, 85]
[784, 785]
[15, 44]
[901, 930]
[901, 931]
[384, 417]
[716, 750]
[9, 35]
[749, 783]
[478, 479]
[911, 941]
[19, 20]
[146, 147]
[15, 16]
[892, 922]