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On this page are computer-accessible forms for the graph C4[ 490, 1 ] = W(245,2).

(I) Following is a form readable by MAGMA:

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

(II) A more general form is to represent the graph as the orbit of {2, 3} under the group generated by the following permutations:

a: (1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, 64, 65, 66, 67, 68, 69, 70, 71, 72, 73, 74, 75, 76, 77, 78, 79, 80, 81, 82, 83, 84, 85, 86, 87, 88, 89, 90, 91, 92, 93, 94, 95, 96, 97, 98, 99, 100, 101, 102, 103, 104, 105, 106, 107, 108, 109, 110, 111, 112, 113, 114, 115, 116, 117, 118, 119, 120, 121, 122, 123, 124, 125, 126, 127, 128, 129, 130, 131, 132, 133, 134, 135, 136, 137, 138, 139, 140, 141, 142, 143, 144, 145, 146, 147, 148, 149, 150, 151, 152, 153, 154, 155, 156, 157, 158, 159, 160, 161, 162, 163, 164, 165, 166, 167, 168, 169, 170, 171, 172, 173, 174, 175, 176, 177, 178, 179, 180, 181, 182, 183, 184, 185, 186, 187, 188, 189, 190, 191, 192, 193, 194, 195, 196, 197, 198, 199, 200, 201, 202, 203, 204, 205, 206, 207, 208, 209, 210, 211, 212, 213, 214, 215, 216, 217, 218, 219, 220, 221, 222, 223, 224, 225, 226, 227, 228, 229, 230, 231, 232, 233, 234, 235, 236, 237, 238, 239, 240, 241, 242, 243, 244, 245)(246, 247, 248, 249, 250, 251, 252, 253, 254, 255, 256, 257, 258, 259, 260, 261, 262, 263, 264, 265, 266, 267, 268, 269, 270, 271, 272, 273, 274, 275, 276, 277, 278, 279, 280, 281, 282, 283, 284, 285, 286, 287, 288, 289, 290, 291, 292, 293, 294, 295, 296, 297, 298, 299, 300, 301, 302, 303, 304, 305, 306, 307, 308, 309, 310, 311, 312, 313, 314, 315, 316, 317, 318, 319, 320, 321, 322, 323, 324, 325, 326, 327, 328, 329, 330, 331, 332, 333, 334, 335, 336, 337, 338, 339, 340, 341, 342, 343, 344, 345, 346, 347, 348, 349, 350, 351, 352, 353, 354, 355, 356, 357, 358, 359, 360, 361, 362, 363, 364, 365, 366, 367, 368, 369, 370, 371, 372, 373, 374, 375, 376, 377, 378, 379, 380, 381, 382, 383, 384, 385, 386, 387, 388, 389, 390, 391, 392, 393, 394, 395, 396, 397, 398, 399, 400, 401, 402, 403, 404, 405, 406, 407, 408, 409, 410, 411, 412, 413, 414, 415, 416, 417, 418, 419, 420, 421, 422, 423, 424, 425, 426, 427, 428, 429, 430, 431, 432, 433, 434, 435, 436, 437, 438, 439, 440, 441, 442, 443, 444, 445, 446, 447, 448, 449, 450, 451, 452, 453, 454, 455, 456, 457, 458, 459, 460, 461, 462, 463, 464, 465, 466, 467, 468, 469, 470, 471, 472, 473, 474, 475, 476, 477, 478, 479, 480, 481, 482, 483, 484, 485, 486, 487, 488, 489, 490)
b: (2, 247)
c: (188, 433)
d: (60, 305)
e: (124, 369)
f: (197, 442)
g: (69, 314)
h: (227, 472)
m: (163, 408)
n1: (35, 280)
a1: (99, 344)
b1: (137, 382)
c1: (15, 260)
d1: (79, 324)
e1: (207, 452)
f1: (143, 388)
g1: (135, 380)
h1: (237, 482)
m1: (173, 418)
n2: (45, 290)
a2: (109, 354)
b2: (58, 303)
c2: (186, 431)
d2: (239, 484)
e2: (175, 420)
f2: (47, 292)
g2: (111, 356)
h2: (189, 434)
m2: (61, 306)
n3: (125, 370)
a3: (3, 248)
b3: (195, 440)
c3: (67, 312)
d3: (131, 376)
e3: (233, 478)
f3: (169, 414)
g3: (41, 286)
h3: (105, 350)
m3: (235, 480)
n4: (171, 416)
a4: (43, 288)
b4: (107, 352)
c4: (223, 468)
d4: (31, 276)
e4: (159, 404)
f4: (95, 340)
g4: (187, 432)
h4: (59, 304)
m4: (123, 368)
n5: (136, 381)
a5: (191, 436)
b5: (63, 308)
c5: (127, 372)
d5: (129, 374)
e5: (21, 266)
f5: (213, 458)
g5: (85, 330)
h5: (149, 394)
m5: (230, 475)
n6: (166, 411)
a6: (38, 283)
b6: (102, 347)
c6: (26, 271)
d6: (218, 463)
e6: (90, 335)
f6: (154, 399)
g6: (20, 265)
h6: (84, 329)
m6: (212, 457)
n7: (148, 393)
a7: (199, 444)
b7: (71, 316)
c7: (193, 438)
d7: (65, 310)
e7: (219, 464)
f7: (27, 272)
g7: (91, 336)
h7: (155, 400)
m7: (132, 377)
n8: (139, 384)
a8: (9, 254)
b8: (220, 465)
c8: (28, 273)
d8: (156, 401)
e8: (92, 337)
f8: (8, 253)
g8: (138, 383)
h8: (17, 262)
m8: (81, 326)
n9: (209, 454)
a9: (145, 390)
b9: (12, 257)
c9: (76, 321)
d9: (204, 449)
e9: (140, 385)
f9: (201, 446)
g9: (73, 318)
h9: (243, 488)
m9: (179, 424)
n10: (51, 296)
a10: (115, 360)
b10: (240, 485)
c10: (176, 421)
d10: (48, 293)
e10: (112, 357)
f10: (57, 302)
g10: (185, 430)
h10: (121, 366)
m10: (13, 258)
n11: (77, 322)
a11: (205, 450)
b11: (141, 386)
c11: (202, 447)
d11: (74, 319)
e11: (200, 445)
f11: (72, 317)
g11: (2, 245)(3, 244)(4, 243)(5, 242)(6, 241)(7, 240)(8, 239)(9, 238)(10, 237)(11, 236)(12, 235)(13, 234)(14, 233)(15, 232)(16, 231)(17, 230)(18, 229)(19, 228)(20, 227)(21, 226)(22, 225)(23, 224)(24, 223)(25, 222)(26, 221)(27, 220)(28, 219)(29, 218)(30, 217)(31, 216)(32, 215)(33, 214)(34, 213)(35, 212)(36, 211)(37, 210)(38, 209)(39, 208)(40, 207)(41, 206)(42, 205)(43, 204)(44, 203)(45, 202)(46, 201)(47, 200)(48, 199)(49, 198)(50, 197)(51, 196)(52, 195)(53, 194)(54, 193)(55, 192)(56, 191)(57, 190)(58, 189)(59, 188)(60, 187)(61, 186)(62, 185)(63, 184)(64, 183)(65, 182)(66, 181)(67, 180)(68, 179)(69, 178)(70, 177)(71, 176)(72, 175)(73, 174)(74, 173)(75, 172)(76, 171)(77, 170)(78, 169)(79, 168)(80, 167)(81, 166)(82, 165)(83, 164)(84, 163)(85, 162)(86, 161)(87, 160)(88, 159)(89, 158)(90, 157)(91, 156)(92, 155)(93, 154)(94, 153)(95, 152)(96, 151)(97, 150)(98, 149)(99, 148)(100, 147)(101, 146)(102, 145)(103, 144)(104, 143)(105, 142)(106, 141)(107, 140)(108, 139)(109, 138)(110, 137)(111, 136)(112, 135)(113, 134)(114, 133)(115, 132)(116, 131)(117, 130)(118, 129)(119, 128)(120, 127)(121, 126)(122, 125)(123, 124)(247, 490)(248, 489)(249, 488)(250, 487)(251, 486)(252, 485)(253, 484)(254, 483)(255, 482)(256, 481)(257, 480)(258, 479)(259, 478)(260, 477)(261, 476)(262, 475)(263, 474)(264, 473)(265, 472)(266, 471)(267, 470)(268, 469)(269, 468)(270, 467)(271, 466)(272, 465)(273, 464)(274, 463)(275, 462)(276, 461)(277, 460)(278, 459)(279, 458)(280, 457)(281, 456)(282, 455)(283, 454)(284, 453)(285, 452)(286, 451)(287, 450)(288, 449)(289, 448)(290, 447)(291, 446)(292, 445)(293, 444)(294, 443)(295, 442)(296, 441)(297, 440)(298, 439)(299, 438)(300, 437)(301, 436)(302, 435)(303, 434)(304, 433)(305, 432)(306, 431)(307, 430)(308, 429)(309, 428)(310, 427)(311, 426)(312, 425)(313, 424)(314, 423)(315, 422)(316, 421)(317, 420)(318, 419)(319, 418)(320, 417)(321, 416)(322, 415)(323, 414)(324, 413)(325, 412)(326, 411)(327, 410)(328, 409)(329, 408)(330, 407)(331, 406)(332, 405)(333, 404)(334, 403)(335, 402)(336, 401)(337, 400)(338, 399)(339, 398)(340, 397)(341, 396)(342, 395)(343, 394)(344, 393)(345, 392)(346, 391)(347, 390)(348, 389)(349, 388)(350, 387)(351, 386)(352, 385)(353, 384)(354, 383)(355, 382)(356, 381)(357, 380)(358, 379)(359, 378)(360, 377)(361, 376)(362, 375)(363, 374)(364, 373)(365, 372)(366, 371)(367, 370)(368, 369)
h11: (23, 268)
m11: (215, 460)
n12: (87, 332)
a12: (151, 396)
b12: (7, 252)
c12: (4, 249)
d12: (234, 479)
e12: (170, 415)
f12: (42, 287)
g12: (106, 351)
h12: (203, 448)
m12: (75, 320)
n13: (226, 471)
a13: (162, 407)
b13: (34, 279)
c13: (98, 343)
d13: (53, 298)
e13: (181, 426)
f13: (117, 362)
g13: (245, 490)
h13: (192, 437)
m13: (64, 309)
n14: (128, 373)
a14: (18, 263)
b14: (82, 327)
c14: (210, 455)
d14: (146, 391)
e14: (206, 451)
f14: (78, 323)
g14: (14, 259)
h14: (142, 387)
m14: (133, 378)
n15: (232, 477)
a15: (168, 413)
b15: (40, 285)
c15: (104, 349)
d15: (5, 250)
e15: (36, 281)
f15: (164, 409)
g15: (228, 473)
h15: (100, 345)
m15: (244, 489)
n16: (180, 425)
a16: (52, 297)
b16: (116, 361)
c16: (196, 441)
d16: (32, 277)
e16: (224, 469)
f16: (68, 313)
g16: (160, 405)
h16: (96, 341)
m16: (242, 487)
n17: (178, 423)
a17: (50, 295)
b17: (114, 359)
c17: (11, 256)
d17: (22, 267)
e17: (214, 459)
f17: (86, 331)
g17: (150, 395)
h17: (194, 439)
m17: (66, 311)
n18: (231, 476)
a18: (167, 412)
b18: (39, 284)
c18: (103, 348)
d18: (225, 470)
e18: (33, 278)
f18: (161, 406)
g18: (97, 342)
h18: (222, 467)
m18: (30, 275)
n19: (158, 403)
a19: (94, 339)
b19: (10, 255)
c19: (19, 264)
d19: (83, 328)
e19: (211, 456)
f19: (147, 392)
g19: (16, 261)
h19: (80, 325)
m19: (208, 453)
n20: (144, 389)
a20: (130, 375)
b20: (56, 301)
c20: (184, 429)
d20: (120, 365)
e20: (236, 481)
f20: (172, 417)
g20: (44, 289)
h20: (108, 353)
m20: (25, 270)
n21: (217, 462)
a21: (89, 334)
b21: (153, 398)
c21: (134, 379)
d21: (198, 443)
e21: (70, 315)
f21: (190, 435)
g21: (62, 307)
h21: (126, 371)
m21: (6, 251)
n22: (55, 300)
a22: (183, 428)
b22: (119, 364)
c22: (241, 486)
d22: (177, 422)
e22: (49, 294)
f22: (113, 358)
g22: (54, 299)
h22: (182, 427)
m22: (118, 363)
n23: (24, 269)
a23: (216, 461)
b23: (88, 333)
c23: (152, 397)
d23: (221, 466)
e23: (29, 274)
f23: (157, 402)
g23: (93, 338)
h23: (238, 483)
m23: (174, 419)
n24: (46, 291)
a24: (110, 355)
b24: (229, 474)
c24: (165, 410)
d24: (37, 282)
e24: (101, 346)

(III) Last is Groups&Graphs. Copy everything between (not including) the lines of asterisks into a plain text file and save it as "graph.txt". Then launch G&G (Groups&Graphs) and select Read Text from the File menu.

**************

&Graph
C4[ 490, 1 ]
490
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-2 1 3 246 248
-3 2 4 247 249
-4 3 5 248 250
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0

**************