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