Parity checks
X-checks 144 (max weight 9) · Z-checks 144 (max weight 9)
H_X (144 checks, sparse supports)
[0, 72, 100, 112, 116, 136, 148, 204, 246]
[1, 73, 101, 113, 117, 137, 149, 205, 246]
[2, 74, 102, 114, 118, 138, 150, 206, 246]
[3, 75, 103, 115, 119, 139, 151, 207, 246]
[64, 76, 100, 124, 128, 196, 204, 212, 247]
[65, 77, 101, 125, 129, 197, 205, 213, 247]
[66, 78, 102, 126, 130, 198, 206, 214, 247]
[67, 79, 103, 127, 131, 199, 207, 215, 247]
[36, 72, 96, 120, 192, 200, 208, 212, 248]
[37, 73, 97, 121, 193, 201, 209, 213, 248]
[38, 74, 98, 122, 194, 202, 210, 214, 248]
[39, 75, 99, 123, 195, 203, 211, 215, 248]
[56, 84, 92, 120, 132, 188, 204, 212, 249]
[57, 85, 93, 121, 133, 189, 205, 213, 249]
[58, 86, 94, 122, 134, 190, 206, 214, 249]
[59, 87, 95, 123, 135, 191, 207, 215, 249]
[28, 80, 88, 128, 184, 200, 204, 208, 250]
[29, 81, 89, 129, 185, 201, 205, 209, 250]
[30, 82, 90, 130, 186, 202, 206, 210, 250]
[31, 83, 91, 131, 187, 203, 207, 211, 250]
[48, 60, 84, 112, 180, 188, 196, 220, 251]
[49, 61, 85, 113, 181, 189, 197, 221, 251]
[50, 62, 86, 114, 182, 190, 198, 222, 251]
[51, 63, 87, 115, 183, 191, 199, 223, 251]
[20, 56, 80, 176, 184, 192, 196, 216, 252]
[21, 57, 81, 177, 185, 193, 197, 217, 252]
[22, 58, 82, 178, 186, 194, 198, 218, 252]
[23, 59, 83, 179, 187, 195, 199, 219, 252]
[40, 68, 76, 116, 172, 188, 196, 216, 253]
[41, 69, 77, 117, 173, 189, 197, 217, 253]
[42, 70, 78, 118, 174, 190, 198, 218, 253]
[43, 71, 79, 119, 175, 191, 199, 219, 253]
[12, 64, 72, 168, 184, 188, 192, 220, 254]
[13, 65, 73, 169, 185, 189, 193, 221, 254]
[14, 66, 74, 170, 186, 190, 194, 222, 254]
[15, 67, 75, 171, 187, 191, 195, 223, 254]
[32, 44, 68, 164, 172, 180, 204, 208, 255]
[33, 45, 69, 165, 173, 181, 205, 209, 255]
[34, 46, 70, 166, 174, 182, 206, 210, 255]
[35, 47, 71, 167, 175, 183, 207, 211, 255]
[4, 40, 64, 160, 168, 176, 180, 200, 256]
[5, 41, 65, 161, 169, 177, 181, 201, 256]
[6, 42, 66, 162, 170, 178, 182, 202, 256]
[7, 43, 67, 163, 171, 179, 183, 203, 256]
[24, 52, 60, 156, 172, 180, 200, 212, 257]
[25, 53, 61, 157, 173, 181, 201, 213, 257]
[26, 54, 62, 158, 174, 182, 202, 214, 257]
[27, 55, 63, 159, 175, 183, 203, 215, 257]
[0, 48, 56, 152, 168, 172, 176, 208, 258]
[1, 49, 57, 153, 169, 173, 177, 209, 258]
[2, 50, 58, 154, 170, 174, 178, 210, 258]
[3, 51, 59, 155, 171, 175, 179, 211, 258]
[16, 28, 52, 148, 156, 164, 188, 192, 259]
[17, 29, 53, 149, 157, 165, 189, 193, 259]
[18, 30, 54, 150, 158, 166, 190, 194, 259]
[19, 31, 55, 151, 159, 167, 191, 195, 259]
[24, 48, 100, 144, 152, 160, 164, 184, 260]
[25, 49, 101, 145, 153, 161, 165, 185, 260]
[26, 50, 102, 146, 154, 162, 166, 186, 260]
[27, 51, 103, 147, 155, 163, 167, 187, 260]
[8, 36, 44, 140, 156, 164, 184, 196, 261]
[9, 37, 45, 141, 157, 165, 185, 197, 261]
[10, 38, 46, 142, 158, 166, 186, 198, 261]
[11, 39, 47, 143, 159, 167, 187, 199, 261]
[32, 40, 92, 136, 152, 156, 160, 192, 262]
[33, 41, 93, 137, 153, 157, 161, 193, 262]
[34, 42, 94, 138, 154, 158, 162, 194, 262]
[35, 43, 95, 139, 155, 159, 163, 195, 262]
[12, 36, 108, 132, 140, 148, 172, 176, 263]
[13, 37, 109, 133, 141, 149, 173, 177, 263]
[14, 38, 110, 134, 142, 150, 174, 178, 263]
[15, 39, 111, 135, 143, 151, 175, 179, 263]
[8, 32, 84, 128, 136, 144, 148, 168, 264]
[9, 33, 85, 129, 137, 145, 149, 169, 264]
[10, 34, 86, 130, 138, 146, 150, 170, 264]
[11, 35, 87, 131, 139, 147, 151, 171, 264]
[20, 28, 104, 124, 140, 148, 168, 180, 265]
[21, 29, 105, 125, 141, 149, 169, 181, 265]
[22, 30, 106, 126, 142, 150, 170, 182, 265]
[23, 31, 107, 127, 143, 151, 171, 183, 265]
[16, 24, 76, 120, 136, 140, 144, 176, 266]
[17, 25, 77, 121, 137, 141, 145, 177, 266]
[18, 26, 78, 122, 138, 142, 146, 178, 266]
[19, 27, 79, 123, 139, 143, 147, 179, 266]
[0, 20, 96, 116, 124, 132, 156, 160, 267]
[1, 21, 97, 117, 125, 133, 157, 161, 267]
[2, 22, 98, 118, 126, 134, 158, 162, 267]
[3, 23, 99, 119, 127, 135, 159, 163, 267]
[0, 1, 2, 3, 224, 227, 241, 244]
[4, 5, 6, 7, 224, 225, 242, 243]
[8, 9, 10, 11, 238]
[12, 13, 14, 15, 224, 237, 240, 245]
[16, 17, 18, 19, 240, 245]
[20, 21, 22, 23, 238, 239, 245]
[24, 25, 26, 27, 234, 242, 243, 244]
[28, 29, 30, 31, 233, 236, 241, 243]
[32, 33, 34, 35, 236, 241, 242, 244]
[36, 37, 38, 39, 234, 235, 241, 243, 245]
[40, 41, 42, 43, 230, 238, 239, 240, 244]
[44, 45, 46, 47, 229, 232, 237, 239, 243]
[48, 49, 50, 51, 232, 237, 238, 240, 242]
[52, 53, 54, 55, 230, 231, 237, 239, 241]
[56, 57, 58, 59, 226, 234, 235, 236, 240]
[60, 61, 62, 63, 225, 228, 233, 235, 239]
[64, 65, 66, 67, 228, 233, 234, 236, 238]
[68, 69, 70, 71, 226, 227, 233, 235, 237]
[72, 73, 74, 75, 230, 231, 232, 236]
[76, 77, 78, 79, 229, 231, 235]
[80, 81, 82, 83, 229, 230, 232, 234]
[84, 85, 86, 87, 224, 229, 231, 233]
[88, 89, 90, 91, 226, 227, 228, 232]
[92, 93, 94, 95, 225, 227, 231, 245]
[96, 97, 98, 99, 225, 226, 228, 230]
[100, 101, 102, 103, 225, 227, 229]
[104, 105, 106, 107, 224, 228, 242]
[108, 109, 110, 111, 226, 244]
[112, 113, 114, 115, 224, 225, 232]
[116, 117, 118, 119, 227, 230]
[120, 121, 122, 123, 235]
[124, 125, 126, 127, 228]
[128, 129, 130, 131, 233]
[132, 133, 134, 135, 224, 226, 245]
[136, 137, 138, 139, 231, 244]
[140, 141, 142, 143, 243, 245]
[144, 145, 146, 147, 229, 242]
[148, 149, 150, 151, 241]
[152, 153, 154, 155, 227, 240, 242]
[156, 157, 158, 159, 239, 241]
[160, 161, 162, 163, 225, 238, 244]
[164, 165, 166, 167, 237, 243]
[168, 169, 170, 171, 224, 236, 238]
[172, 173, 174, 175, 235, 237, 244]
[176, 177, 178, 179, 234, 240]
[180, 181, 182, 183, 233, 239, 242]
[184, 185, 186, 187, 232, 234]
[188, 189, 190, 191, 231, 233, 240]
[192, 193, 194, 195, 230, 236, 245]
[196, 197, 198, 199, 229, 235, 238]
[200, 201, 202, 203, 228, 230, 243]
[204, 205, 206, 207, 227, 229, 236]
[208, 209, 210, 211, 226, 232, 241]
[212, 213, 214, 215, 225, 231, 234]
[216, 217, 218, 219, 226, 239]
[220, 221, 222, 223, 228, 237]
H_Z (144 checks, sparse supports)
[0, 4, 12, 84, 104, 112, 132, 168, 224]
[1, 5, 13, 85, 105, 113, 133, 169, 224]
[2, 6, 14, 86, 106, 114, 134, 170, 224]
[3, 7, 15, 87, 107, 115, 135, 171, 224]
[4, 60, 92, 96, 100, 112, 160, 212, 225]
[5, 61, 93, 97, 101, 113, 161, 213, 225]
[6, 62, 94, 98, 102, 114, 162, 214, 225]
[7, 63, 95, 99, 103, 115, 163, 215, 225]
[56, 68, 88, 96, 108, 132, 208, 216, 226]
[57, 69, 89, 97, 109, 133, 209, 217, 226]
[58, 70, 90, 98, 110, 134, 210, 218, 226]
[59, 71, 91, 99, 111, 135, 211, 219, 226]
[0, 68, 88, 92, 100, 116, 152, 204, 227]
[1, 69, 89, 93, 101, 117, 153, 205, 227]
[2, 70, 90, 94, 102, 118, 154, 206, 227]
[3, 71, 91, 95, 103, 119, 155, 207, 227]
[60, 64, 88, 96, 104, 124, 200, 220, 228]
[61, 65, 89, 97, 105, 125, 201, 221, 228]
[62, 66, 90, 98, 106, 126, 202, 222, 228]
[63, 67, 91, 99, 107, 127, 203, 223, 228]
[44, 76, 80, 84, 100, 144, 196, 204, 229]
[45, 77, 81, 85, 101, 145, 197, 205, 229]
[46, 78, 82, 86, 102, 146, 198, 206, 229]
[47, 79, 83, 87, 103, 147, 199, 207, 229]
[40, 52, 72, 80, 96, 116, 192, 200, 230]
[41, 53, 73, 81, 97, 117, 193, 201, 230]
[42, 54, 74, 82, 98, 118, 194, 202, 230]
[43, 55, 75, 83, 99, 119, 195, 203, 230]
[52, 72, 76, 84, 92, 136, 188, 212, 231]
[53, 73, 77, 85, 93, 137, 189, 213, 231]
[54, 74, 78, 86, 94, 138, 190, 214, 231]
[55, 75, 79, 87, 95, 139, 191, 215, 231]
[44, 48, 72, 80, 88, 112, 184, 208, 232]
[45, 49, 73, 81, 89, 113, 185, 209, 232]
[46, 50, 74, 82, 90, 114, 186, 210, 232]
[47, 51, 75, 83, 91, 115, 187, 211, 232]
[28, 60, 64, 68, 84, 128, 180, 188, 233]
[29, 61, 65, 69, 85, 129, 181, 189, 233]
[30, 62, 66, 70, 86, 130, 182, 190, 233]
[31, 63, 67, 71, 87, 131, 183, 191, 233]
[24, 36, 56, 64, 80, 176, 184, 212, 234]
[25, 37, 57, 65, 81, 177, 185, 213, 234]
[26, 38, 58, 66, 82, 178, 186, 214, 234]
[27, 39, 59, 67, 83, 179, 187, 215, 234]
[36, 56, 60, 68, 76, 120, 172, 196, 235]
[37, 57, 61, 69, 77, 121, 173, 197, 235]
[38, 58, 62, 70, 78, 122, 174, 198, 235]
[39, 59, 63, 71, 79, 123, 175, 199, 235]
[28, 32, 56, 64, 72, 168, 192, 204, 236]
[29, 33, 57, 65, 73, 169, 193, 205, 236]
[30, 34, 58, 66, 74, 170, 194, 206, 236]
[31, 35, 59, 67, 75, 171, 195, 207, 236]
[12, 44, 48, 52, 68, 164, 172, 220, 237]
[13, 45, 49, 53, 69, 165, 173, 221, 237]
[14, 46, 50, 54, 70, 166, 174, 222, 237]
[15, 47, 51, 55, 71, 167, 175, 223, 237]
[8, 20, 40, 48, 64, 160, 168, 196, 238]
[9, 21, 41, 49, 65, 161, 169, 197, 238]
[10, 22, 42, 50, 66, 162, 170, 198, 238]
[11, 23, 43, 51, 67, 163, 171, 199, 238]
[20, 40, 44, 52, 60, 156, 180, 216, 239]
[21, 41, 45, 53, 61, 157, 181, 217, 239]
[22, 42, 46, 54, 62, 158, 182, 218, 239]
[23, 43, 47, 55, 63, 159, 183, 219, 239]
[12, 16, 40, 48, 56, 152, 176, 188, 240]
[13, 17, 41, 49, 57, 153, 177, 189, 240]
[14, 18, 42, 50, 58, 154, 178, 190, 240]
[15, 19, 43, 51, 59, 155, 179, 191, 240]
[0, 28, 32, 36, 52, 148, 156, 208, 241]
[1, 29, 33, 37, 53, 149, 157, 209, 241]
[2, 30, 34, 38, 54, 150, 158, 210, 241]
[3, 31, 35, 39, 55, 151, 159, 211, 241]
[4, 24, 32, 48, 104, 144, 152, 180, 242]
[5, 25, 33, 49, 105, 145, 153, 181, 242]
[6, 26, 34, 50, 106, 146, 154, 182, 242]
[7, 27, 35, 51, 107, 147, 155, 183, 242]
[4, 24, 28, 36, 44, 140, 164, 200, 243]
[5, 25, 29, 37, 45, 141, 165, 201, 243]
[6, 26, 30, 38, 46, 142, 166, 202, 243]
[7, 27, 31, 39, 47, 143, 167, 203, 243]
[0, 24, 32, 40, 108, 136, 160, 172, 244]
[1, 25, 33, 41, 109, 137, 161, 173, 244]
[2, 26, 34, 42, 110, 138, 162, 174, 244]
[3, 27, 35, 43, 111, 139, 163, 175, 244]
[12, 16, 20, 36, 92, 132, 140, 192, 245]
[13, 17, 21, 37, 93, 133, 141, 193, 245]
[14, 18, 22, 38, 94, 134, 142, 194, 245]
[15, 19, 23, 39, 95, 135, 143, 195, 245]
[0, 1, 2, 3, 246, 258, 267]
[4, 5, 6, 7, 256]
[8, 9, 10, 11, 261, 264]
[12, 13, 14, 15, 254, 263]
[16, 17, 18, 19, 259, 266]
[20, 21, 22, 23, 252, 265, 267]
[24, 25, 26, 27, 257, 260, 266]
[28, 29, 30, 31, 250, 259, 265]
[32, 33, 34, 35, 255, 262, 264]
[36, 37, 38, 39, 248, 261, 263]
[40, 41, 42, 43, 253, 256, 262]
[44, 45, 46, 47, 255, 261]
[48, 49, 50, 51, 251, 258, 260]
[52, 53, 54, 55, 257, 259]
[56, 57, 58, 59, 249, 252, 258]
[60, 61, 62, 63, 251, 257]
[64, 65, 66, 67, 247, 254, 256]
[68, 69, 70, 71, 253, 255]
[72, 73, 74, 75, 246, 248, 254]
[76, 77, 78, 79, 247, 253, 266]
[80, 81, 82, 83, 250, 252]
[84, 85, 86, 87, 249, 251, 264]
[88, 89, 90, 91, 250]
[92, 93, 94, 95, 249, 262]
[96, 97, 98, 99, 248, 267]
[100, 101, 102, 103, 246, 247, 260]
[104, 105, 106, 107, 265]
[108, 109, 110, 111, 263]
[112, 113, 114, 115, 246, 251]
[116, 117, 118, 119, 246, 253, 267]
[120, 121, 122, 123, 248, 249, 266]
[124, 125, 126, 127, 247, 265, 267]
[128, 129, 130, 131, 247, 250, 264]
[132, 133, 134, 135, 249, 263, 267]
[136, 137, 138, 139, 246, 262, 264, 266]
[140, 141, 142, 143, 261, 263, 265, 266]
[144, 145, 146, 147, 260, 264, 266]
[148, 149, 150, 151, 246, 259, 263, 264, 265]
[152, 153, 154, 155, 258, 260, 262]
[156, 157, 158, 159, 257, 259, 261, 262, 267]
[160, 161, 162, 163, 256, 260, 262, 267]
[164, 165, 166, 167, 255, 259, 260, 261]
[168, 169, 170, 171, 254, 256, 258, 264, 265]
[172, 173, 174, 175, 253, 255, 257, 258, 263]
[176, 177, 178, 179, 252, 256, 258, 263, 266]
[180, 181, 182, 183, 251, 255, 256, 257, 265]
[184, 185, 186, 187, 250, 252, 254, 260, 261]
[188, 189, 190, 191, 249, 251, 253, 254, 259]
[192, 193, 194, 195, 248, 252, 254, 259, 262]
[196, 197, 198, 199, 247, 251, 252, 253, 261]
[200, 201, 202, 203, 248, 250, 256, 257]
[204, 205, 206, 207, 246, 247, 249, 250, 255]
[208, 209, 210, 211, 248, 250, 255, 258]
[212, 213, 214, 215, 247, 248, 249, 257]
[216, 217, 218, 219, 252, 253]
[220, 221, 222, 223, 251, 254]