Parity checks
X-checks 255 (max weight 6) · Z-checks 255 (max weight 6)
H_X (255 checks, sparse supports)
[0, 1, 23, 255, 263, 439]
[1, 2, 24, 256, 264, 440]
[2, 3, 25, 257, 265, 441]
[3, 4, 26, 258, 266, 442]
[4, 5, 27, 259, 267, 443]
[5, 6, 28, 260, 268, 444]
[6, 7, 29, 261, 269, 445]
[7, 8, 30, 262, 270, 446]
[8, 9, 31, 263, 271, 447]
[9, 10, 32, 264, 272, 448]
[10, 11, 33, 265, 273, 449]
[11, 12, 34, 266, 274, 450]
[12, 13, 35, 267, 275, 451]
[13, 14, 36, 268, 276, 452]
[14, 15, 37, 269, 277, 453]
[15, 16, 38, 270, 278, 454]
[16, 17, 39, 271, 279, 455]
[17, 18, 40, 272, 280, 456]
[18, 19, 41, 273, 281, 457]
[19, 20, 42, 274, 282, 458]
[20, 21, 43, 275, 283, 459]
[21, 22, 44, 276, 284, 460]
[22, 23, 45, 277, 285, 461]
[23, 24, 46, 278, 286, 462]
[24, 25, 47, 279, 287, 463]
[25, 26, 48, 280, 288, 464]
[26, 27, 49, 281, 289, 465]
[27, 28, 50, 282, 290, 466]
[28, 29, 51, 283, 291, 467]
[29, 30, 52, 284, 292, 468]
[30, 31, 53, 285, 293, 469]
[31, 32, 54, 286, 294, 470]
[32, 33, 55, 287, 295, 471]
[33, 34, 56, 288, 296, 472]
[34, 35, 57, 289, 297, 473]
[35, 36, 58, 290, 298, 474]
[36, 37, 59, 291, 299, 475]
[37, 38, 60, 292, 300, 476]
[38, 39, 61, 293, 301, 477]
[39, 40, 62, 294, 302, 478]
[40, 41, 63, 295, 303, 479]
[41, 42, 64, 296, 304, 480]
[42, 43, 65, 297, 305, 481]
[43, 44, 66, 298, 306, 482]
[44, 45, 67, 299, 307, 483]
[45, 46, 68, 300, 308, 484]
[46, 47, 69, 301, 309, 485]
[47, 48, 70, 302, 310, 486]
[48, 49, 71, 303, 311, 487]
[49, 50, 72, 304, 312, 488]
[50, 51, 73, 305, 313, 489]
[51, 52, 74, 306, 314, 490]
[52, 53, 75, 307, 315, 491]
[53, 54, 76, 308, 316, 492]
[54, 55, 77, 309, 317, 493]
[55, 56, 78, 310, 318, 494]
[56, 57, 79, 311, 319, 495]
[57, 58, 80, 312, 320, 496]
[58, 59, 81, 313, 321, 497]
[59, 60, 82, 314, 322, 498]
[60, 61, 83, 315, 323, 499]
[61, 62, 84, 316, 324, 500]
[62, 63, 85, 317, 325, 501]
[63, 64, 86, 318, 326, 502]
[64, 65, 87, 319, 327, 503]
[65, 66, 88, 320, 328, 504]
[66, 67, 89, 321, 329, 505]
[67, 68, 90, 322, 330, 506]
[68, 69, 91, 323, 331, 507]
[69, 70, 92, 324, 332, 508]
[70, 71, 93, 325, 333, 509]
[71, 72, 94, 255, 326, 334]
[72, 73, 95, 256, 327, 335]
[73, 74, 96, 257, 328, 336]
[74, 75, 97, 258, 329, 337]
[75, 76, 98, 259, 330, 338]
[76, 77, 99, 260, 331, 339]
[77, 78, 100, 261, 332, 340]
[78, 79, 101, 262, 333, 341]
[79, 80, 102, 263, 334, 342]
[80, 81, 103, 264, 335, 343]
[81, 82, 104, 265, 336, 344]
[82, 83, 105, 266, 337, 345]
[83, 84, 106, 267, 338, 346]
[84, 85, 107, 268, 339, 347]
[85, 86, 108, 269, 340, 348]
[86, 87, 109, 270, 341, 349]
[87, 88, 110, 271, 342, 350]
[88, 89, 111, 272, 343, 351]
[89, 90, 112, 273, 344, 352]
[90, 91, 113, 274, 345, 353]
[91, 92, 114, 275, 346, 354]
[92, 93, 115, 276, 347, 355]
[93, 94, 116, 277, 348, 356]
[94, 95, 117, 278, 349, 357]
[95, 96, 118, 279, 350, 358]
[96, 97, 119, 280, 351, 359]
[97, 98, 120, 281, 352, 360]
[98, 99, 121, 282, 353, 361]
[99, 100, 122, 283, 354, 362]
[100, 101, 123, 284, 355, 363]
[101, 102, 124, 285, 356, 364]
[102, 103, 125, 286, 357, 365]
[103, 104, 126, 287, 358, 366]
[104, 105, 127, 288, 359, 367]
[105, 106, 128, 289, 360, 368]
[106, 107, 129, 290, 361, 369]
[107, 108, 130, 291, 362, 370]
[108, 109, 131, 292, 363, 371]
[109, 110, 132, 293, 364, 372]
[110, 111, 133, 294, 365, 373]
[111, 112, 134, 295, 366, 374]
[112, 113, 135, 296, 367, 375]
[113, 114, 136, 297, 368, 376]
[114, 115, 137, 298, 369, 377]
[115, 116, 138, 299, 370, 378]
[116, 117, 139, 300, 371, 379]
[117, 118, 140, 301, 372, 380]
[118, 119, 141, 302, 373, 381]
[119, 120, 142, 303, 374, 382]
[120, 121, 143, 304, 375, 383]
[121, 122, 144, 305, 376, 384]
[122, 123, 145, 306, 377, 385]
[123, 124, 146, 307, 378, 386]
[124, 125, 147, 308, 379, 387]
[125, 126, 148, 309, 380, 388]
[126, 127, 149, 310, 381, 389]
[127, 128, 150, 311, 382, 390]
[128, 129, 151, 312, 383, 391]
[129, 130, 152, 313, 384, 392]
[130, 131, 153, 314, 385, 393]
[131, 132, 154, 315, 386, 394]
[132, 133, 155, 316, 387, 395]
[133, 134, 156, 317, 388, 396]
[134, 135, 157, 318, 389, 397]
[135, 136, 158, 319, 390, 398]
[136, 137, 159, 320, 391, 399]
[137, 138, 160, 321, 392, 400]
[138, 139, 161, 322, 393, 401]
[139, 140, 162, 323, 394, 402]
[140, 141, 163, 324, 395, 403]
[141, 142, 164, 325, 396, 404]
[142, 143, 165, 326, 397, 405]
[143, 144, 166, 327, 398, 406]
[144, 145, 167, 328, 399, 407]
[145, 146, 168, 329, 400, 408]
[146, 147, 169, 330, 401, 409]
[147, 148, 170, 331, 402, 410]
[148, 149, 171, 332, 403, 411]
[149, 150, 172, 333, 404, 412]
[150, 151, 173, 334, 405, 413]
[151, 152, 174, 335, 406, 414]
[152, 153, 175, 336, 407, 415]
[153, 154, 176, 337, 408, 416]
[154, 155, 177, 338, 409, 417]
[155, 156, 178, 339, 410, 418]
[156, 157, 179, 340, 411, 419]
[157, 158, 180, 341, 412, 420]
[158, 159, 181, 342, 413, 421]
[159, 160, 182, 343, 414, 422]
[160, 161, 183, 344, 415, 423]
[161, 162, 184, 345, 416, 424]
[162, 163, 185, 346, 417, 425]
[163, 164, 186, 347, 418, 426]
[164, 165, 187, 348, 419, 427]
[165, 166, 188, 349, 420, 428]
[166, 167, 189, 350, 421, 429]
[167, 168, 190, 351, 422, 430]
[168, 169, 191, 352, 423, 431]
[169, 170, 192, 353, 424, 432]
[170, 171, 193, 354, 425, 433]
[171, 172, 194, 355, 426, 434]
[172, 173, 195, 356, 427, 435]
[173, 174, 196, 357, 428, 436]
[174, 175, 197, 358, 429, 437]
[175, 176, 198, 359, 430, 438]
[176, 177, 199, 360, 431, 439]
[177, 178, 200, 361, 432, 440]
[178, 179, 201, 362, 433, 441]
[179, 180, 202, 363, 434, 442]
[180, 181, 203, 364, 435, 443]
[181, 182, 204, 365, 436, 444]
[182, 183, 205, 366, 437, 445]
[183, 184, 206, 367, 438, 446]
[184, 185, 207, 368, 439, 447]
[185, 186, 208, 369, 440, 448]
[186, 187, 209, 370, 441, 449]
[187, 188, 210, 371, 442, 450]
[188, 189, 211, 372, 443, 451]
[189, 190, 212, 373, 444, 452]
[190, 191, 213, 374, 445, 453]
[191, 192, 214, 375, 446, 454]
[192, 193, 215, 376, 447, 455]
[193, 194, 216, 377, 448, 456]
[194, 195, 217, 378, 449, 457]
[195, 196, 218, 379, 450, 458]
[196, 197, 219, 380, 451, 459]
[197, 198, 220, 381, 452, 460]
[198, 199, 221, 382, 453, 461]
[199, 200, 222, 383, 454, 462]
[200, 201, 223, 384, 455, 463]
[201, 202, 224, 385, 456, 464]
[202, 203, 225, 386, 457, 465]
[203, 204, 226, 387, 458, 466]
[204, 205, 227, 388, 459, 467]
[205, 206, 228, 389, 460, 468]
[206, 207, 229, 390, 461, 469]
[207, 208, 230, 391, 462, 470]
[208, 209, 231, 392, 463, 471]
[209, 210, 232, 393, 464, 472]
[210, 211, 233, 394, 465, 473]
[211, 212, 234, 395, 466, 474]
[212, 213, 235, 396, 467, 475]
[213, 214, 236, 397, 468, 476]
[214, 215, 237, 398, 469, 477]
[215, 216, 238, 399, 470, 478]
[216, 217, 239, 400, 471, 479]
[217, 218, 240, 401, 472, 480]
[218, 219, 241, 402, 473, 481]
[219, 220, 242, 403, 474, 482]
[220, 221, 243, 404, 475, 483]
[221, 222, 244, 405, 476, 484]
[222, 223, 245, 406, 477, 485]
[223, 224, 246, 407, 478, 486]
[224, 225, 247, 408, 479, 487]
[225, 226, 248, 409, 480, 488]
[226, 227, 249, 410, 481, 489]
[227, 228, 250, 411, 482, 490]
[228, 229, 251, 412, 483, 491]
[229, 230, 252, 413, 484, 492]
[230, 231, 253, 414, 485, 493]
[231, 232, 254, 415, 486, 494]
[0, 232, 233, 416, 487, 495]
[1, 233, 234, 417, 488, 496]
[2, 234, 235, 418, 489, 497]
[3, 235, 236, 419, 490, 498]
[4, 236, 237, 420, 491, 499]
[5, 237, 238, 421, 492, 500]
[6, 238, 239, 422, 493, 501]
[7, 239, 240, 423, 494, 502]
[8, 240, 241, 424, 495, 503]
[9, 241, 242, 425, 496, 504]
[10, 242, 243, 426, 497, 505]
[11, 243, 244, 427, 498, 506]
[12, 244, 245, 428, 499, 507]
[13, 245, 246, 429, 500, 508]
[14, 246, 247, 430, 501, 509]
[15, 247, 248, 255, 431, 502]
[16, 248, 249, 256, 432, 503]
[17, 249, 250, 257, 433, 504]
[18, 250, 251, 258, 434, 505]
[19, 251, 252, 259, 435, 506]
[20, 252, 253, 260, 436, 507]
[21, 253, 254, 261, 437, 508]
[0, 22, 254, 262, 438, 509]
H_Z (255 checks, sparse supports)
[0, 71, 247, 255, 487, 509]
[1, 72, 248, 255, 256, 488]
[2, 73, 249, 256, 257, 489]
[3, 74, 250, 257, 258, 490]
[4, 75, 251, 258, 259, 491]
[5, 76, 252, 259, 260, 492]
[6, 77, 253, 260, 261, 493]
[7, 78, 254, 261, 262, 494]
[0, 8, 79, 262, 263, 495]
[1, 9, 80, 263, 264, 496]
[2, 10, 81, 264, 265, 497]
[3, 11, 82, 265, 266, 498]
[4, 12, 83, 266, 267, 499]
[5, 13, 84, 267, 268, 500]
[6, 14, 85, 268, 269, 501]
[7, 15, 86, 269, 270, 502]
[8, 16, 87, 270, 271, 503]
[9, 17, 88, 271, 272, 504]
[10, 18, 89, 272, 273, 505]
[11, 19, 90, 273, 274, 506]
[12, 20, 91, 274, 275, 507]
[13, 21, 92, 275, 276, 508]
[14, 22, 93, 276, 277, 509]
[15, 23, 94, 255, 277, 278]
[16, 24, 95, 256, 278, 279]
[17, 25, 96, 257, 279, 280]
[18, 26, 97, 258, 280, 281]
[19, 27, 98, 259, 281, 282]
[20, 28, 99, 260, 282, 283]
[21, 29, 100, 261, 283, 284]
[22, 30, 101, 262, 284, 285]
[23, 31, 102, 263, 285, 286]
[24, 32, 103, 264, 286, 287]
[25, 33, 104, 265, 287, 288]
[26, 34, 105, 266, 288, 289]
[27, 35, 106, 267, 289, 290]
[28, 36, 107, 268, 290, 291]
[29, 37, 108, 269, 291, 292]
[30, 38, 109, 270, 292, 293]
[31, 39, 110, 271, 293, 294]
[32, 40, 111, 272, 294, 295]
[33, 41, 112, 273, 295, 296]
[34, 42, 113, 274, 296, 297]
[35, 43, 114, 275, 297, 298]
[36, 44, 115, 276, 298, 299]
[37, 45, 116, 277, 299, 300]
[38, 46, 117, 278, 300, 301]
[39, 47, 118, 279, 301, 302]
[40, 48, 119, 280, 302, 303]
[41, 49, 120, 281, 303, 304]
[42, 50, 121, 282, 304, 305]
[43, 51, 122, 283, 305, 306]
[44, 52, 123, 284, 306, 307]
[45, 53, 124, 285, 307, 308]
[46, 54, 125, 286, 308, 309]
[47, 55, 126, 287, 309, 310]
[48, 56, 127, 288, 310, 311]
[49, 57, 128, 289, 311, 312]
[50, 58, 129, 290, 312, 313]
[51, 59, 130, 291, 313, 314]
[52, 60, 131, 292, 314, 315]
[53, 61, 132, 293, 315, 316]
[54, 62, 133, 294, 316, 317]
[55, 63, 134, 295, 317, 318]
[56, 64, 135, 296, 318, 319]
[57, 65, 136, 297, 319, 320]
[58, 66, 137, 298, 320, 321]
[59, 67, 138, 299, 321, 322]
[60, 68, 139, 300, 322, 323]
[61, 69, 140, 301, 323, 324]
[62, 70, 141, 302, 324, 325]
[63, 71, 142, 303, 325, 326]
[64, 72, 143, 304, 326, 327]
[65, 73, 144, 305, 327, 328]
[66, 74, 145, 306, 328, 329]
[67, 75, 146, 307, 329, 330]
[68, 76, 147, 308, 330, 331]
[69, 77, 148, 309, 331, 332]
[70, 78, 149, 310, 332, 333]
[71, 79, 150, 311, 333, 334]
[72, 80, 151, 312, 334, 335]
[73, 81, 152, 313, 335, 336]
[74, 82, 153, 314, 336, 337]
[75, 83, 154, 315, 337, 338]
[76, 84, 155, 316, 338, 339]
[77, 85, 156, 317, 339, 340]
[78, 86, 157, 318, 340, 341]
[79, 87, 158, 319, 341, 342]
[80, 88, 159, 320, 342, 343]
[81, 89, 160, 321, 343, 344]
[82, 90, 161, 322, 344, 345]
[83, 91, 162, 323, 345, 346]
[84, 92, 163, 324, 346, 347]
[85, 93, 164, 325, 347, 348]
[86, 94, 165, 326, 348, 349]
[87, 95, 166, 327, 349, 350]
[88, 96, 167, 328, 350, 351]
[89, 97, 168, 329, 351, 352]
[90, 98, 169, 330, 352, 353]
[91, 99, 170, 331, 353, 354]
[92, 100, 171, 332, 354, 355]
[93, 101, 172, 333, 355, 356]
[94, 102, 173, 334, 356, 357]
[95, 103, 174, 335, 357, 358]
[96, 104, 175, 336, 358, 359]
[97, 105, 176, 337, 359, 360]
[98, 106, 177, 338, 360, 361]
[99, 107, 178, 339, 361, 362]
[100, 108, 179, 340, 362, 363]
[101, 109, 180, 341, 363, 364]
[102, 110, 181, 342, 364, 365]
[103, 111, 182, 343, 365, 366]
[104, 112, 183, 344, 366, 367]
[105, 113, 184, 345, 367, 368]
[106, 114, 185, 346, 368, 369]
[107, 115, 186, 347, 369, 370]
[108, 116, 187, 348, 370, 371]
[109, 117, 188, 349, 371, 372]
[110, 118, 189, 350, 372, 373]
[111, 119, 190, 351, 373, 374]
[112, 120, 191, 352, 374, 375]
[113, 121, 192, 353, 375, 376]
[114, 122, 193, 354, 376, 377]
[115, 123, 194, 355, 377, 378]
[116, 124, 195, 356, 378, 379]
[117, 125, 196, 357, 379, 380]
[118, 126, 197, 358, 380, 381]
[119, 127, 198, 359, 381, 382]
[120, 128, 199, 360, 382, 383]
[121, 129, 200, 361, 383, 384]
[122, 130, 201, 362, 384, 385]
[123, 131, 202, 363, 385, 386]
[124, 132, 203, 364, 386, 387]
[125, 133, 204, 365, 387, 388]
[126, 134, 205, 366, 388, 389]
[127, 135, 206, 367, 389, 390]
[128, 136, 207, 368, 390, 391]
[129, 137, 208, 369, 391, 392]
[130, 138, 209, 370, 392, 393]
[131, 139, 210, 371, 393, 394]
[132, 140, 211, 372, 394, 395]
[133, 141, 212, 373, 395, 396]
[134, 142, 213, 374, 396, 397]
[135, 143, 214, 375, 397, 398]
[136, 144, 215, 376, 398, 399]
[137, 145, 216, 377, 399, 400]
[138, 146, 217, 378, 400, 401]
[139, 147, 218, 379, 401, 402]
[140, 148, 219, 380, 402, 403]
[141, 149, 220, 381, 403, 404]
[142, 150, 221, 382, 404, 405]
[143, 151, 222, 383, 405, 406]
[144, 152, 223, 384, 406, 407]
[145, 153, 224, 385, 407, 408]
[146, 154, 225, 386, 408, 409]
[147, 155, 226, 387, 409, 410]
[148, 156, 227, 388, 410, 411]
[149, 157, 228, 389, 411, 412]
[150, 158, 229, 390, 412, 413]
[151, 159, 230, 391, 413, 414]
[152, 160, 231, 392, 414, 415]
[153, 161, 232, 393, 415, 416]
[154, 162, 233, 394, 416, 417]
[155, 163, 234, 395, 417, 418]
[156, 164, 235, 396, 418, 419]
[157, 165, 236, 397, 419, 420]
[158, 166, 237, 398, 420, 421]
[159, 167, 238, 399, 421, 422]
[160, 168, 239, 400, 422, 423]
[161, 169, 240, 401, 423, 424]
[162, 170, 241, 402, 424, 425]
[163, 171, 242, 403, 425, 426]
[164, 172, 243, 404, 426, 427]
[165, 173, 244, 405, 427, 428]
[166, 174, 245, 406, 428, 429]
[167, 175, 246, 407, 429, 430]
[168, 176, 247, 408, 430, 431]
[169, 177, 248, 409, 431, 432]
[170, 178, 249, 410, 432, 433]
[171, 179, 250, 411, 433, 434]
[172, 180, 251, 412, 434, 435]
[173, 181, 252, 413, 435, 436]
[174, 182, 253, 414, 436, 437]
[175, 183, 254, 415, 437, 438]
[0, 176, 184, 416, 438, 439]
[1, 177, 185, 417, 439, 440]
[2, 178, 186, 418, 440, 441]
[3, 179, 187, 419, 441, 442]
[4, 180, 188, 420, 442, 443]
[5, 181, 189, 421, 443, 444]
[6, 182, 190, 422, 444, 445]
[7, 183, 191, 423, 445, 446]
[8, 184, 192, 424, 446, 447]
[9, 185, 193, 425, 447, 448]
[10, 186, 194, 426, 448, 449]
[11, 187, 195, 427, 449, 450]
[12, 188, 196, 428, 450, 451]
[13, 189, 197, 429, 451, 452]
[14, 190, 198, 430, 452, 453]
[15, 191, 199, 431, 453, 454]
[16, 192, 200, 432, 454, 455]
[17, 193, 201, 433, 455, 456]
[18, 194, 202, 434, 456, 457]
[19, 195, 203, 435, 457, 458]
[20, 196, 204, 436, 458, 459]
[21, 197, 205, 437, 459, 460]
[22, 198, 206, 438, 460, 461]
[23, 199, 207, 439, 461, 462]
[24, 200, 208, 440, 462, 463]
[25, 201, 209, 441, 463, 464]
[26, 202, 210, 442, 464, 465]
[27, 203, 211, 443, 465, 466]
[28, 204, 212, 444, 466, 467]
[29, 205, 213, 445, 467, 468]
[30, 206, 214, 446, 468, 469]
[31, 207, 215, 447, 469, 470]
[32, 208, 216, 448, 470, 471]
[33, 209, 217, 449, 471, 472]
[34, 210, 218, 450, 472, 473]
[35, 211, 219, 451, 473, 474]
[36, 212, 220, 452, 474, 475]
[37, 213, 221, 453, 475, 476]
[38, 214, 222, 454, 476, 477]
[39, 215, 223, 455, 477, 478]
[40, 216, 224, 456, 478, 479]
[41, 217, 225, 457, 479, 480]
[42, 218, 226, 458, 480, 481]
[43, 219, 227, 459, 481, 482]
[44, 220, 228, 460, 482, 483]
[45, 221, 229, 461, 483, 484]
[46, 222, 230, 462, 484, 485]
[47, 223, 231, 463, 485, 486]
[48, 224, 232, 464, 486, 487]
[49, 225, 233, 465, 487, 488]
[50, 226, 234, 466, 488, 489]
[51, 227, 235, 467, 489, 490]
[52, 228, 236, 468, 490, 491]
[53, 229, 237, 469, 491, 492]
[54, 230, 238, 470, 492, 493]
[55, 231, 239, 471, 493, 494]
[56, 232, 240, 472, 494, 495]
[57, 233, 241, 473, 495, 496]
[58, 234, 242, 474, 496, 497]
[59, 235, 243, 475, 497, 498]
[60, 236, 244, 476, 498, 499]
[61, 237, 245, 477, 499, 500]
[62, 238, 246, 478, 500, 501]
[63, 239, 247, 479, 501, 502]
[64, 240, 248, 480, 502, 503]
[65, 241, 249, 481, 503, 504]
[66, 242, 250, 482, 504, 505]
[67, 243, 251, 483, 505, 506]
[68, 244, 252, 484, 506, 507]
[69, 245, 253, 485, 507, 508]
[70, 246, 254, 486, 508, 509]