Parity checks
X-checks 238 (max weight 6) · Z-checks 238 (max weight 6)
H_X (238 checks, sparse supports)
[0, 11, 100, 106, 238, 239]
[1, 12, 101, 107, 239, 240]
[2, 13, 102, 108, 240, 241]
[0, 3, 103, 109, 241, 242]
[1, 4, 104, 110, 242, 243]
[2, 5, 105, 111, 243, 244]
[3, 6, 98, 106, 244, 245]
[4, 7, 99, 107, 245, 246]
[5, 8, 100, 108, 246, 247]
[6, 9, 101, 109, 247, 248]
[7, 10, 102, 110, 248, 249]
[8, 11, 103, 111, 249, 250]
[9, 12, 98, 104, 250, 251]
[10, 13, 99, 105, 238, 251]
[14, 25, 114, 120, 252, 253]
[15, 26, 115, 121, 253, 254]
[16, 27, 116, 122, 254, 255]
[14, 17, 117, 123, 255, 256]
[15, 18, 118, 124, 256, 257]
[16, 19, 119, 125, 257, 258]
[17, 20, 112, 120, 258, 259]
[18, 21, 113, 121, 259, 260]
[19, 22, 114, 122, 260, 261]
[20, 23, 115, 123, 261, 262]
[21, 24, 116, 124, 262, 263]
[22, 25, 117, 125, 263, 264]
[23, 26, 112, 118, 264, 265]
[24, 27, 113, 119, 252, 265]
[28, 39, 128, 134, 266, 267]
[29, 40, 129, 135, 267, 268]
[30, 41, 130, 136, 268, 269]
[28, 31, 131, 137, 269, 270]
[29, 32, 132, 138, 270, 271]
[30, 33, 133, 139, 271, 272]
[31, 34, 126, 134, 272, 273]
[32, 35, 127, 135, 273, 274]
[33, 36, 128, 136, 274, 275]
[34, 37, 129, 137, 275, 276]
[35, 38, 130, 138, 276, 277]
[36, 39, 131, 139, 277, 278]
[37, 40, 126, 132, 278, 279]
[38, 41, 127, 133, 266, 279]
[42, 53, 142, 148, 280, 281]
[43, 54, 143, 149, 281, 282]
[44, 55, 144, 150, 282, 283]
[42, 45, 145, 151, 283, 284]
[43, 46, 146, 152, 284, 285]
[44, 47, 147, 153, 285, 286]
[45, 48, 140, 148, 286, 287]
[46, 49, 141, 149, 287, 288]
[47, 50, 142, 150, 288, 289]
[48, 51, 143, 151, 289, 290]
[49, 52, 144, 152, 290, 291]
[50, 53, 145, 153, 291, 292]
[51, 54, 140, 146, 292, 293]
[52, 55, 141, 147, 280, 293]
[56, 67, 156, 162, 294, 295]
[57, 68, 157, 163, 295, 296]
[58, 69, 158, 164, 296, 297]
[56, 59, 159, 165, 297, 298]
[57, 60, 160, 166, 298, 299]
[58, 61, 161, 167, 299, 300]
[59, 62, 154, 162, 300, 301]
[60, 63, 155, 163, 301, 302]
[61, 64, 156, 164, 302, 303]
[62, 65, 157, 165, 303, 304]
[63, 66, 158, 166, 304, 305]
[64, 67, 159, 167, 305, 306]
[65, 68, 154, 160, 306, 307]
[66, 69, 155, 161, 294, 307]
[70, 81, 170, 176, 308, 309]
[71, 82, 171, 177, 309, 310]
[72, 83, 172, 178, 310, 311]
[70, 73, 173, 179, 311, 312]
[71, 74, 174, 180, 312, 313]
[72, 75, 175, 181, 313, 314]
[73, 76, 168, 176, 314, 315]
[74, 77, 169, 177, 315, 316]
[75, 78, 170, 178, 316, 317]
[76, 79, 171, 179, 317, 318]
[77, 80, 172, 180, 318, 319]
[78, 81, 173, 181, 319, 320]
[79, 82, 168, 174, 320, 321]
[80, 83, 169, 175, 308, 321]
[84, 95, 184, 190, 322, 323]
[85, 96, 185, 191, 323, 324]
[86, 97, 186, 192, 324, 325]
[84, 87, 187, 193, 325, 326]
[85, 88, 188, 194, 326, 327]
[86, 89, 189, 195, 327, 328]
[87, 90, 182, 190, 328, 329]
[88, 91, 183, 191, 329, 330]
[89, 92, 184, 192, 330, 331]
[90, 93, 185, 193, 331, 332]
[91, 94, 186, 194, 332, 333]
[92, 95, 187, 195, 333, 334]
[93, 96, 182, 188, 334, 335]
[94, 97, 183, 189, 322, 335]
[98, 109, 198, 204, 336, 337]
[99, 110, 199, 205, 337, 338]
[100, 111, 200, 206, 338, 339]
[98, 101, 201, 207, 339, 340]
[99, 102, 202, 208, 340, 341]
[100, 103, 203, 209, 341, 342]
[101, 104, 196, 204, 342, 343]
[102, 105, 197, 205, 343, 344]
[103, 106, 198, 206, 344, 345]
[104, 107, 199, 207, 345, 346]
[105, 108, 200, 208, 346, 347]
[106, 109, 201, 209, 347, 348]
[107, 110, 196, 202, 348, 349]
[108, 111, 197, 203, 336, 349]
[112, 123, 212, 218, 350, 351]
[113, 124, 213, 219, 351, 352]
[114, 125, 214, 220, 352, 353]
[112, 115, 215, 221, 353, 354]
[113, 116, 216, 222, 354, 355]
[114, 117, 217, 223, 355, 356]
[115, 118, 210, 218, 356, 357]
[116, 119, 211, 219, 357, 358]
[117, 120, 212, 220, 358, 359]
[118, 121, 213, 221, 359, 360]
[119, 122, 214, 222, 360, 361]
[120, 123, 215, 223, 361, 362]
[121, 124, 210, 216, 362, 363]
[122, 125, 211, 217, 350, 363]
[126, 137, 226, 232, 364, 365]
[127, 138, 227, 233, 365, 366]
[128, 139, 228, 234, 366, 367]
[126, 129, 229, 235, 367, 368]
[127, 130, 230, 236, 368, 369]
[128, 131, 231, 237, 369, 370]
[129, 132, 224, 232, 370, 371]
[130, 133, 225, 233, 371, 372]
[131, 134, 226, 234, 372, 373]
[132, 135, 227, 235, 373, 374]
[133, 136, 228, 236, 374, 375]
[134, 137, 229, 237, 375, 376]
[135, 138, 224, 230, 376, 377]
[136, 139, 225, 231, 364, 377]
[2, 8, 140, 151, 378, 379]
[3, 9, 141, 152, 379, 380]
[4, 10, 142, 153, 380, 381]
[5, 11, 140, 143, 381, 382]
[6, 12, 141, 144, 382, 383]
[7, 13, 142, 145, 383, 384]
[0, 8, 143, 146, 384, 385]
[1, 9, 144, 147, 385, 386]
[2, 10, 145, 148, 386, 387]
[3, 11, 146, 149, 387, 388]
[4, 12, 147, 150, 388, 389]
[5, 13, 148, 151, 389, 390]
[0, 6, 149, 152, 390, 391]
[1, 7, 150, 153, 378, 391]
[16, 22, 154, 165, 392, 393]
[17, 23, 155, 166, 393, 394]
[18, 24, 156, 167, 394, 395]
[19, 25, 154, 157, 395, 396]
[20, 26, 155, 158, 396, 397]
[21, 27, 156, 159, 397, 398]
[14, 22, 157, 160, 398, 399]
[15, 23, 158, 161, 399, 400]
[16, 24, 159, 162, 400, 401]
[17, 25, 160, 163, 401, 402]
[18, 26, 161, 164, 402, 403]
[19, 27, 162, 165, 403, 404]
[14, 20, 163, 166, 404, 405]
[15, 21, 164, 167, 392, 405]
[30, 36, 168, 179, 406, 407]
[31, 37, 169, 180, 407, 408]
[32, 38, 170, 181, 408, 409]
[33, 39, 168, 171, 409, 410]
[34, 40, 169, 172, 410, 411]
[35, 41, 170, 173, 411, 412]
[28, 36, 171, 174, 412, 413]
[29, 37, 172, 175, 413, 414]
[30, 38, 173, 176, 414, 415]
[31, 39, 174, 177, 415, 416]
[32, 40, 175, 178, 416, 417]
[33, 41, 176, 179, 417, 418]
[28, 34, 177, 180, 418, 419]
[29, 35, 178, 181, 406, 419]
[44, 50, 182, 193, 420, 421]
[45, 51, 183, 194, 421, 422]
[46, 52, 184, 195, 422, 423]
[47, 53, 182, 185, 423, 424]
[48, 54, 183, 186, 424, 425]
[49, 55, 184, 187, 425, 426]
[42, 50, 185, 188, 426, 427]
[43, 51, 186, 189, 427, 428]
[44, 52, 187, 190, 428, 429]
[45, 53, 188, 191, 429, 430]
[46, 54, 189, 192, 430, 431]
[47, 55, 190, 193, 431, 432]
[42, 48, 191, 194, 432, 433]
[43, 49, 192, 195, 420, 433]
[58, 64, 196, 207, 434, 435]
[59, 65, 197, 208, 435, 436]
[60, 66, 198, 209, 436, 437]
[61, 67, 196, 199, 437, 438]
[62, 68, 197, 200, 438, 439]
[63, 69, 198, 201, 439, 440]
[56, 64, 199, 202, 440, 441]
[57, 65, 200, 203, 441, 442]
[58, 66, 201, 204, 442, 443]
[59, 67, 202, 205, 443, 444]
[60, 68, 203, 206, 444, 445]
[61, 69, 204, 207, 445, 446]
[56, 62, 205, 208, 446, 447]
[57, 63, 206, 209, 434, 447]
[72, 78, 210, 221, 448, 449]
[73, 79, 211, 222, 449, 450]
[74, 80, 212, 223, 450, 451]
[75, 81, 210, 213, 451, 452]
[76, 82, 211, 214, 452, 453]
[77, 83, 212, 215, 453, 454]
[70, 78, 213, 216, 454, 455]
[71, 79, 214, 217, 455, 456]
[72, 80, 215, 218, 456, 457]
[73, 81, 216, 219, 457, 458]
[74, 82, 217, 220, 458, 459]
[75, 83, 218, 221, 459, 460]
[70, 76, 219, 222, 460, 461]
[71, 77, 220, 223, 448, 461]
[86, 92, 224, 235, 462, 463]
[87, 93, 225, 236, 463, 464]
[88, 94, 226, 237, 464, 465]
[89, 95, 224, 227, 465, 466]
[90, 96, 225, 228, 466, 467]
[91, 97, 226, 229, 467, 468]
[84, 92, 227, 230, 468, 469]
[85, 93, 228, 231, 469, 470]
[86, 94, 229, 232, 470, 471]
[87, 95, 230, 233, 471, 472]
[88, 96, 231, 234, 472, 473]
[89, 97, 232, 235, 473, 474]
[84, 90, 233, 236, 474, 475]
[85, 91, 234, 237, 462, 475]
H_Z (238 checks, sparse supports)
[0, 13, 238, 241, 384, 390]
[0, 1, 239, 242, 385, 391]
[1, 2, 240, 243, 378, 386]
[2, 3, 241, 244, 379, 387]
[3, 4, 242, 245, 380, 388]
[4, 5, 243, 246, 381, 389]
[5, 6, 244, 247, 382, 390]
[6, 7, 245, 248, 383, 391]
[7, 8, 246, 249, 378, 384]
[8, 9, 247, 250, 379, 385]
[9, 10, 248, 251, 380, 386]
[10, 11, 238, 249, 381, 387]
[11, 12, 239, 250, 382, 388]
[12, 13, 240, 251, 383, 389]
[14, 27, 252, 255, 398, 404]
[14, 15, 253, 256, 399, 405]
[15, 16, 254, 257, 392, 400]
[16, 17, 255, 258, 393, 401]
[17, 18, 256, 259, 394, 402]
[18, 19, 257, 260, 395, 403]
[19, 20, 258, 261, 396, 404]
[20, 21, 259, 262, 397, 405]
[21, 22, 260, 263, 392, 398]
[22, 23, 261, 264, 393, 399]
[23, 24, 262, 265, 394, 400]
[24, 25, 252, 263, 395, 401]
[25, 26, 253, 264, 396, 402]
[26, 27, 254, 265, 397, 403]
[28, 41, 266, 269, 412, 418]
[28, 29, 267, 270, 413, 419]
[29, 30, 268, 271, 406, 414]
[30, 31, 269, 272, 407, 415]
[31, 32, 270, 273, 408, 416]
[32, 33, 271, 274, 409, 417]
[33, 34, 272, 275, 410, 418]
[34, 35, 273, 276, 411, 419]
[35, 36, 274, 277, 406, 412]
[36, 37, 275, 278, 407, 413]
[37, 38, 276, 279, 408, 414]
[38, 39, 266, 277, 409, 415]
[39, 40, 267, 278, 410, 416]
[40, 41, 268, 279, 411, 417]
[42, 55, 280, 283, 426, 432]
[42, 43, 281, 284, 427, 433]
[43, 44, 282, 285, 420, 428]
[44, 45, 283, 286, 421, 429]
[45, 46, 284, 287, 422, 430]
[46, 47, 285, 288, 423, 431]
[47, 48, 286, 289, 424, 432]
[48, 49, 287, 290, 425, 433]
[49, 50, 288, 291, 420, 426]
[50, 51, 289, 292, 421, 427]
[51, 52, 290, 293, 422, 428]
[52, 53, 280, 291, 423, 429]
[53, 54, 281, 292, 424, 430]
[54, 55, 282, 293, 425, 431]
[56, 69, 294, 297, 440, 446]
[56, 57, 295, 298, 441, 447]
[57, 58, 296, 299, 434, 442]
[58, 59, 297, 300, 435, 443]
[59, 60, 298, 301, 436, 444]
[60, 61, 299, 302, 437, 445]
[61, 62, 300, 303, 438, 446]
[62, 63, 301, 304, 439, 447]
[63, 64, 302, 305, 434, 440]
[64, 65, 303, 306, 435, 441]
[65, 66, 304, 307, 436, 442]
[66, 67, 294, 305, 437, 443]
[67, 68, 295, 306, 438, 444]
[68, 69, 296, 307, 439, 445]
[70, 83, 308, 311, 454, 460]
[70, 71, 309, 312, 455, 461]
[71, 72, 310, 313, 448, 456]
[72, 73, 311, 314, 449, 457]
[73, 74, 312, 315, 450, 458]
[74, 75, 313, 316, 451, 459]
[75, 76, 314, 317, 452, 460]
[76, 77, 315, 318, 453, 461]
[77, 78, 316, 319, 448, 454]
[78, 79, 317, 320, 449, 455]
[79, 80, 318, 321, 450, 456]
[80, 81, 308, 319, 451, 457]
[81, 82, 309, 320, 452, 458]
[82, 83, 310, 321, 453, 459]
[84, 97, 322, 325, 468, 474]
[84, 85, 323, 326, 469, 475]
[85, 86, 324, 327, 462, 470]
[86, 87, 325, 328, 463, 471]
[87, 88, 326, 329, 464, 472]
[88, 89, 327, 330, 465, 473]
[89, 90, 328, 331, 466, 474]
[90, 91, 329, 332, 467, 475]
[91, 92, 330, 333, 462, 468]
[92, 93, 331, 334, 463, 469]
[93, 94, 332, 335, 464, 470]
[94, 95, 322, 333, 465, 471]
[95, 96, 323, 334, 466, 472]
[96, 97, 324, 335, 467, 473]
[98, 111, 244, 250, 336, 339]
[98, 99, 245, 251, 337, 340]
[99, 100, 238, 246, 338, 341]
[100, 101, 239, 247, 339, 342]
[101, 102, 240, 248, 340, 343]
[102, 103, 241, 249, 341, 344]
[103, 104, 242, 250, 342, 345]
[104, 105, 243, 251, 343, 346]
[105, 106, 238, 244, 344, 347]
[106, 107, 239, 245, 345, 348]
[107, 108, 240, 246, 346, 349]
[108, 109, 241, 247, 336, 347]
[109, 110, 242, 248, 337, 348]
[110, 111, 243, 249, 338, 349]
[112, 125, 258, 264, 350, 353]
[112, 113, 259, 265, 351, 354]
[113, 114, 252, 260, 352, 355]
[114, 115, 253, 261, 353, 356]
[115, 116, 254, 262, 354, 357]
[116, 117, 255, 263, 355, 358]
[117, 118, 256, 264, 356, 359]
[118, 119, 257, 265, 357, 360]
[119, 120, 252, 258, 358, 361]
[120, 121, 253, 259, 359, 362]
[121, 122, 254, 260, 360, 363]
[122, 123, 255, 261, 350, 361]
[123, 124, 256, 262, 351, 362]
[124, 125, 257, 263, 352, 363]
[126, 139, 272, 278, 364, 367]
[126, 127, 273, 279, 365, 368]
[127, 128, 266, 274, 366, 369]
[128, 129, 267, 275, 367, 370]
[129, 130, 268, 276, 368, 371]
[130, 131, 269, 277, 369, 372]
[131, 132, 270, 278, 370, 373]
[132, 133, 271, 279, 371, 374]
[133, 134, 266, 272, 372, 375]
[134, 135, 267, 273, 373, 376]
[135, 136, 268, 274, 374, 377]
[136, 137, 269, 275, 364, 375]
[137, 138, 270, 276, 365, 376]
[138, 139, 271, 277, 366, 377]
[140, 153, 286, 292, 378, 381]
[140, 141, 287, 293, 379, 382]
[141, 142, 280, 288, 380, 383]
[142, 143, 281, 289, 381, 384]
[143, 144, 282, 290, 382, 385]
[144, 145, 283, 291, 383, 386]
[145, 146, 284, 292, 384, 387]
[146, 147, 285, 293, 385, 388]
[147, 148, 280, 286, 386, 389]
[148, 149, 281, 287, 387, 390]
[149, 150, 282, 288, 388, 391]
[150, 151, 283, 289, 378, 389]
[151, 152, 284, 290, 379, 390]
[152, 153, 285, 291, 380, 391]
[154, 167, 300, 306, 392, 395]
[154, 155, 301, 307, 393, 396]
[155, 156, 294, 302, 394, 397]
[156, 157, 295, 303, 395, 398]
[157, 158, 296, 304, 396, 399]
[158, 159, 297, 305, 397, 400]
[159, 160, 298, 306, 398, 401]
[160, 161, 299, 307, 399, 402]
[161, 162, 294, 300, 400, 403]
[162, 163, 295, 301, 401, 404]
[163, 164, 296, 302, 402, 405]
[164, 165, 297, 303, 392, 403]
[165, 166, 298, 304, 393, 404]
[166, 167, 299, 305, 394, 405]
[168, 181, 314, 320, 406, 409]
[168, 169, 315, 321, 407, 410]
[169, 170, 308, 316, 408, 411]
[170, 171, 309, 317, 409, 412]
[171, 172, 310, 318, 410, 413]
[172, 173, 311, 319, 411, 414]
[173, 174, 312, 320, 412, 415]
[174, 175, 313, 321, 413, 416]
[175, 176, 308, 314, 414, 417]
[176, 177, 309, 315, 415, 418]
[177, 178, 310, 316, 416, 419]
[178, 179, 311, 317, 406, 417]
[179, 180, 312, 318, 407, 418]
[180, 181, 313, 319, 408, 419]
[182, 195, 328, 334, 420, 423]
[182, 183, 329, 335, 421, 424]
[183, 184, 322, 330, 422, 425]
[184, 185, 323, 331, 423, 426]
[185, 186, 324, 332, 424, 427]
[186, 187, 325, 333, 425, 428]
[187, 188, 326, 334, 426, 429]
[188, 189, 327, 335, 427, 430]
[189, 190, 322, 328, 428, 431]
[190, 191, 323, 329, 429, 432]
[191, 192, 324, 330, 430, 433]
[192, 193, 325, 331, 420, 431]
[193, 194, 326, 332, 421, 432]
[194, 195, 327, 333, 422, 433]
[196, 209, 342, 348, 434, 437]
[196, 197, 343, 349, 435, 438]
[197, 198, 336, 344, 436, 439]
[198, 199, 337, 345, 437, 440]
[199, 200, 338, 346, 438, 441]
[200, 201, 339, 347, 439, 442]
[201, 202, 340, 348, 440, 443]
[202, 203, 341, 349, 441, 444]
[203, 204, 336, 342, 442, 445]
[204, 205, 337, 343, 443, 446]
[205, 206, 338, 344, 444, 447]
[206, 207, 339, 345, 434, 445]
[207, 208, 340, 346, 435, 446]
[208, 209, 341, 347, 436, 447]
[210, 223, 356, 362, 448, 451]
[210, 211, 357, 363, 449, 452]
[211, 212, 350, 358, 450, 453]
[212, 213, 351, 359, 451, 454]
[213, 214, 352, 360, 452, 455]
[214, 215, 353, 361, 453, 456]
[215, 216, 354, 362, 454, 457]
[216, 217, 355, 363, 455, 458]
[217, 218, 350, 356, 456, 459]
[218, 219, 351, 357, 457, 460]
[219, 220, 352, 358, 458, 461]
[220, 221, 353, 359, 448, 459]
[221, 222, 354, 360, 449, 460]
[222, 223, 355, 361, 450, 461]
[224, 237, 370, 376, 462, 465]
[224, 225, 371, 377, 463, 466]
[225, 226, 364, 372, 464, 467]
[226, 227, 365, 373, 465, 468]
[227, 228, 366, 374, 466, 469]
[228, 229, 367, 375, 467, 470]
[229, 230, 368, 376, 468, 471]
[230, 231, 369, 377, 469, 472]
[231, 232, 364, 370, 470, 473]
[232, 233, 365, 371, 471, 474]
[233, 234, 366, 372, 472, 475]
[234, 235, 367, 373, 462, 473]
[235, 236, 368, 374, 463, 474]
[236, 237, 369, 375, 464, 475]