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On this page are computer-accessible forms for the graph C4[ 502, 1 ] = W(251,2).

(I) Following is a form readable by MAGMA:

g:=Graph<502|{ {2, 3}, {500, 501}, {498, 499}, {496, 497}, {494, 495}, {492, 493}, {490, 491}, {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}, {268, 269}, {266, 267}, {264, 265}, {262, 263}, {260, 261}, {258, 259}, {256, 257}, {254, 255}, {252, 253}, {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}, {86, 87}, {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}, {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}, {1, 2}, {501, 502}, {497, 498}, {493, 494}, {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}, {265, 266}, {261, 262}, {257, 258}, {253, 254}, {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}, {3, 4}, {499, 500}, {491, 492}, {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}, {267, 268}, {259, 260}, {251, 252}, {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}, {147, 148}, {155, 156}, {163, 164}, {171, 172}, {179, 180}, {187, 188}, {195, 196}, {203, 204}, {211, 212}, {219, 220}, {227, 228}, {235, 236}, {243, 244}, {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}, {263, 264}, {135, 136}, {119, 120}, {103, 104}, {87, 88}, {23, 24}, {39, 40}, {55, 56}, {71, 72}, {151, 152}, {167, 168}, {183, 184}, {199, 200}, {215, 216}, {231, 232}, {247, 248}, {15, 16}, {495, 496}, {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, 251}, {4, 254}, {5, 255}, {1, 253}, {2, 254}, {3, 255}, {2, 252}, {3, 253}, {127, 128}, {383, 384}, {4, 256}, {143, 395}, {142, 394}, {141, 393}, {140, 392}, {135, 387}, {134, 386}, {133, 385}, {132, 384}, {127, 379}, {126, 378}, {125, 377}, {124, 376}, {119, 371}, {118, 370}, {117, 369}, {116, 368}, {111, 363}, {110, 362}, {109, 361}, {108, 360}, {103, 355}, {102, 354}, {101, 353}, {100, 352}, {95, 347}, {94, 346}, {93, 345}, {92, 344}, {87, 339}, {86, 338}, {85, 337}, {5, 257}, {6, 258}, {7, 259}, {12, 264}, {13, 265}, {14, 266}, {15, 267}, {20, 272}, {21, 273}, {22, 274}, {23, 275}, {28, 280}, {29, 281}, {30, 282}, {31, 283}, {36, 288}, {37, 289}, {38, 290}, {39, 291}, {44, 296}, {45, 297}, {46, 298}, {47, 299}, {52, 304}, {53, 305}, {54, 306}, {55, 307}, {60, 312}, {61, 313}, {62, 314}, {63, 315}, {68, 320}, {69, 321}, {70, 322}, {71, 323}, {76, 328}, {77, 329}, {78, 330}, {79, 331}, {84, 336}, {148, 400}, {149, 401}, {150, 402}, {151, 403}, {156, 408}, {157, 409}, {158, 410}, {159, 411}, {164, 416}, {165, 417}, {166, 418}, {167, 419}, {172, 424}, {173, 425}, {174, 426}, {175, 427}, {180, 432}, {181, 433}, {182, 434}, {183, 435}, {188, 440}, {189, 441}, {190, 442}, {191, 443}, {196, 448}, {197, 449}, {198, 450}, {199, 451}, {204, 456}, {205, 457}, {206, 458}, {207, 459}, {212, 464}, {213, 465}, {214, 466}, {215, 467}, {220, 472}, {221, 473}, {222, 474}, {223, 475}, {228, 480}, {229, 481}, {230, 482}, {231, 483}, {236, 488}, {237, 489}, {238, 490}, {239, 491}, {244, 496}, {245, 497}, {246, 498}, {247, 499}, {6, 256}, {143, 393}, {142, 392}, {135, 385}, {134, 384}, {127, 377}, {126, 376}, {119, 369}, {118, 368}, {111, 361}, {110, 360}, {103, 353}, {102, 352}, {95, 345}, {94, 344}, {87, 337}, {86, 336}, {7, 257}, {14, 264}, {15, 265}, {22, 272}, {23, 273}, {30, 280}, {31, 281}, {38, 288}, {39, 289}, {46, 296}, {47, 297}, {54, 304}, {55, 305}, {62, 312}, {63, 313}, {70, 320}, {71, 321}, {78, 328}, {79, 329}, {150, 400}, {151, 401}, {158, 408}, {159, 409}, {166, 416}, {167, 417}, {174, 424}, {175, 425}, {182, 432}, {183, 433}, {190, 440}, {191, 441}, {198, 448}, {199, 449}, {206, 456}, {207, 457}, {214, 464}, {215, 465}, {222, 472}, {223, 473}, {230, 480}, {231, 481}, {238, 488}, {239, 489}, {246, 496}, {247, 497}, {8, 258}, {252, 502}, {141, 391}, {140, 390}, {137, 387}, {136, 386}, {125, 375}, {124, 374}, {121, 371}, {120, 370}, {109, 359}, {108, 358}, {105, 355}, {104, 354}, {93, 343}, {92, 342}, {89, 339}, {88, 338}, {9, 259}, {12, 262}, {13, 263}, {24, 274}, {25, 275}, {28, 278}, {29, 279}, {40, 290}, {41, 291}, {44, 294}, {45, 295}, {56, 306}, {57, 307}, {60, 310}, {61, 311}, {72, 322}, {73, 323}, {76, 326}, {77, 327}, {152, 402}, {153, 403}, {156, 406}, {157, 407}, {168, 418}, {169, 419}, {172, 422}, {173, 423}, {184, 434}, {185, 435}, {188, 438}, {189, 439}, {200, 450}, {201, 451}, {204, 454}, {205, 455}, {216, 466}, {217, 467}, {220, 470}, {221, 471}, {232, 482}, {233, 483}, {236, 486}, {237, 487}, {248, 498}, {249, 499}, {8, 260}, {250, 502}, {139, 391}, {138, 390}, {137, 389}, {136, 388}, {123, 375}, {122, 374}, {121, 373}, {120, 372}, {107, 359}, {106, 358}, {105, 357}, {104, 356}, {91, 343}, {90, 342}, {89, 341}, {88, 340}, {9, 261}, {10, 262}, {11, 263}, {24, 276}, {25, 277}, {26, 278}, {27, 279}, {40, 292}, {41, 293}, {42, 294}, {43, 295}, {56, 308}, {57, 309}, {58, 310}, {59, 311}, {72, 324}, {73, 325}, {74, 326}, {75, 327}, {152, 404}, {153, 405}, {154, 406}, {155, 407}, {168, 420}, {169, 421}, {170, 422}, {171, 423}, {184, 436}, {185, 437}, {186, 438}, {187, 439}, {200, 452}, {201, 453}, {202, 454}, {203, 455}, {216, 468}, {217, 469}, {218, 470}, {219, 471}, {232, 484}, {233, 485}, {234, 486}, {235, 487}, {248, 500}, {249, 501}, {10, 260}, {251, 501}, {139, 389}, {138, 388}, {123, 373}, {122, 372}, {107, 357}, {106, 356}, {91, 341}, {90, 340}, {11, 261}, {26, 276}, {27, 277}, {42, 292}, {43, 293}, {58, 308}, {59, 309}, {74, 324}, {75, 325}, {154, 404}, {155, 405}, {170, 420}, {171, 421}, {186, 436}, {187, 437}, {202, 452}, {203, 453}, {218, 468}, {219, 469}, {234, 484}, {235, 485}, {250, 500}, {16, 266}, {145, 395}, {144, 394}, {117, 367}, {116, 366}, {113, 363}, {112, 362}, {17, 267}, {20, 270}, {21, 271}, {48, 298}, {49, 299}, {52, 302}, {53, 303}, {80, 330}, {81, 331}, {84, 334}, {85, 335}, {148, 398}, {149, 399}, {176, 426}, {177, 427}, {180, 430}, {181, 431}, {208, 458}, {209, 459}, {212, 462}, {213, 463}, {240, 490}, {241, 491}, {244, 494}, {245, 495}, {16, 268}, {145, 397}, {144, 396}, {115, 367}, {114, 366}, {113, 365}, {112, 364}, {17, 269}, {18, 270}, {19, 271}, {48, 300}, {49, 301}, {50, 302}, {51, 303}, {80, 332}, {81, 333}, {82, 334}, {83, 335}, {146, 398}, {147, 399}, {176, 428}, {177, 429}, {178, 430}, {179, 431}, {208, 460}, {209, 461}, {210, 462}, {211, 463}, {240, 492}, {241, 493}, {242, 494}, {243, 495}, {18, 268}, {115, 365}, {114, 364}, {19, 269}, {50, 300}, {51, 301}, {82, 332}, {83, 333}, {146, 396}, {147, 397}, {178, 428}, {179, 429}, {210, 460}, {211, 461}, {242, 492}, {243, 493}, {32, 282}, {101, 351}, {100, 350}, {97, 347}, {96, 346}, {33, 283}, {36, 286}, {37, 287}, {160, 410}, {161, 411}, {164, 414}, {165, 415}, {224, 474}, {225, 475}, {228, 478}, {229, 479}, {32, 284}, {99, 351}, {98, 350}, {97, 349}, {96, 348}, {33, 285}, {34, 286}, {35, 287}, {160, 412}, {161, 413}, {162, 414}, {163, 415}, {224, 476}, {225, 477}, {226, 478}, {227, 479}, {34, 284}, {99, 349}, {98, 348}, {35, 285}, {162, 412}, {163, 413}, {226, 476}, {227, 477}, {64, 314}, {65, 315}, {68, 318}, {69, 319}, {192, 442}, {193, 443}, {196, 446}, {197, 447}, {64, 316}, {65, 317}, {66, 318}, {67, 319}, {192, 444}, {193, 445}, {194, 446}, {195, 447}, {66, 316}, {67, 317}, {194, 444}, {195, 445}, {1, 502}, {128, 378}, {133, 383}, {132, 382}, {129, 379}, {128, 380}, {131, 383}, {130, 382}, {129, 381}, {130, 380}, {131, 381}, {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: (50, 301)
b: (114, 365)
c: (242, 493)
d: (178, 429)
e: (241, 492)
f: (113, 364)
g: (49, 300)
h: (177, 428)
m: (48, 299)
n1: (112, 363)
a1: (240, 491)
b1: (176, 427)
c1: (192, 443)
d1: (128, 379)
e1: (64, 315)
f1: (130, 381)
g1: (13, 264)
h1: (141, 392)
m1: (205, 456)
n2: (77, 328)
a2: (236, 487)
b2: (108, 359)
c2: (44, 295)
d2: (172, 423)
e2: (194, 445)
f2: (66, 317)
g2: (6, 257)
h2: (134, 385)
m2: (198, 449)
n3: (70, 321)
a3: (3, 254)
b3: (223, 474)
c3: (95, 346)
d3: (159, 410)
e3: (31, 282)
f3: (61, 312)
g3: (189, 440)
h3: (2, 253)
m3: (129, 380)
n4: (239, 490)
a4: (111, 362)
b4: (47, 298)
c4: (175, 426)
d4: (7, 258)
e4: (135, 386)
f4: (199, 450)
g4: (71, 322)
h4: (234, 485)
m4: (106, 357)
n5: (170, 421)
a5: (42, 293)
b5: (15, 266)
c5: (143, 394)
d5: (207, 458)
e5: (79, 330)
f5: (238, 489)
g5: (110, 361)
h5: (46, 297)
m5: (174, 425)
n6: (250, 501)
a6: (122, 373)
b6: (58, 309)
c6: (186, 437)
d6: (244, 495)
e6: (116, 367)
f6: (52, 303)
g6: (180, 431)
h6: (22, 273)
m6: (150, 401)
n7: (86, 337)
a7: (214, 465)
b7: (131, 382)
c7: (28, 279)
d7: (156, 407)
e7: (92, 343)
f7: (220, 471)
g7: (211, 462)
h7: (147, 398)
m7: (83, 334)
n8: (19, 270)
a8: (4, 255)
b8: (11, 262)
c8: (139, 390)
d8: (203, 454)
e8: (75, 326)
f8: (18, 269)
g8: (146, 397)
h8: (82, 333)
m8: (210, 461)
n9: (247, 498)
a9: (119, 370)
b9: (55, 306)
c9: (183, 434)
d9: (249, 500)
e9: (121, 372)
f9: (57, 308)
g9: (185, 436)
h9: (9, 260)
m9: (137, 388)
n10: (201, 452)
a10: (73, 324)
b10: (246, 497)
c10: (118, 369)
d10: (54, 305)
e10: (182, 433)
f10: (21, 272)
g10: (149, 400)
h10: (85, 336)
m10: (213, 464)
n11: (30, 281)
a11: (158, 409)
b11: (94, 345)
c11: (222, 473)
d11: (243, 494)
e11: (115, 366)
f11: (51, 302)
g11: (179, 430)
h11: (226, 477)
m11: (98, 349)
n12: (162, 413)
a12: (34, 285)
b12: (17, 268)
c12: (145, 396)
d12: (81, 332)
e12: (209, 460)
f12: (193, 444)
g12: (65, 316)
h12: (12, 263)
m12: (140, 391)
n13: (204, 455)
a13: (76, 327)
b13: (2, 251)(3, 250)(4, 249)(5, 248)(6, 247)(7, 246)(8, 245)(9, 244)(10, 243)(11, 242)(12, 241)(13, 240)(14, 239)(15, 238)(16, 237)(17, 236)(18, 235)(19, 234)(20, 233)(21, 232)(22, 231)(23, 230)(24, 229)(25, 228)(26, 227)(27, 226)(28, 225)(29, 224)(30, 223)(31, 222)(32, 221)(33, 220)(34, 219)(35, 218)(36, 217)(37, 216)(38, 215)(39, 214)(40, 213)(41, 212)(42, 211)(43, 210)(44, 209)(45, 208)(46, 207)(47, 206)(48, 205)(49, 204)(50, 203)(51, 202)(52, 201)(53, 200)(54, 199)(55, 198)(56, 197)(57, 196)(58, 195)(59, 194)(60, 193)(61, 192)(62, 191)(63, 190)(64, 189)(65, 188)(66, 187)(67, 186)(68, 185)(69, 184)(70, 183)(71, 182)(72, 181)(73, 180)(74, 179)(75, 178)(76, 177)(77, 176)(78, 175)(79, 174)(80, 173)(81, 172)(82, 171)(83, 170)(84, 169)(85, 168)(86, 167)(87, 166)(88, 165)(89, 164)(90, 163)(91, 162)(92, 161)(93, 160)(94, 159)(95, 158)(96, 157)(97, 156)(98, 155)(99, 154)(100, 153)(101, 152)(102, 151)(103, 150)(104, 149)(105, 148)(106, 147)(107, 146)(108, 145)(109, 144)(110, 143)(111, 142)(112, 141)(113, 140)(114, 139)(115, 138)(116, 137)(117, 136)(118, 135)(119, 134)(120, 133)(121, 132)(122, 131)(123, 130)(124, 129)(125, 128)(126, 127)(253, 502)(254, 501)(255, 500)(256, 499)(257, 498)(258, 497)(259, 496)(260, 495)(261, 494)(262, 493)(263, 492)(264, 491)(265, 490)(266, 489)(267, 488)(268, 487)(269, 486)(270, 485)(271, 484)(272, 483)(273, 482)(274, 481)(275, 480)(276, 479)(277, 478)(278, 477)(279, 476)(280, 475)(281, 474)(282, 473)(283, 472)(284, 471)(285, 470)(286, 469)(287, 468)(288, 467)(289, 466)(290, 465)(291, 464)(292, 463)(293, 462)(294, 461)(295, 460)(296, 459)(297, 458)(298, 457)(299, 456)(300, 455)(301, 454)(302, 453)(303, 452)(304, 451)(305, 450)(306, 449)(307, 448)(308, 447)(309, 446)(310, 445)(311, 444)(312, 443)(313, 442)(314, 441)(315, 440)(316, 439)(317, 438)(318, 437)(319, 436)(320, 435)(321, 434)(322, 433)(323, 432)(324, 431)(325, 430)(326, 429)(327, 428)(328, 427)(329, 426)(330, 425)(331, 424)(332, 423)(333, 422)(334, 421)(335, 420)(336, 419)(337, 418)(338, 417)(339, 416)(340, 415)(341, 414)(342, 413)(343, 412)(344, 411)(345, 410)(346, 409)(347, 408)(348, 407)(349, 406)(350, 405)(351, 404)(352, 403)(353, 402)(354, 401)(355, 400)(356, 399)(357, 398)(358, 397)(359, 396)(360, 395)(361, 394)(362, 393)(363, 392)(364, 391)(365, 390)(366, 389)(367, 388)(368, 387)(369, 386)(370, 385)(371, 384)(372, 383)(373, 382)(374, 381)(375, 380)(376, 379)(377, 378)
c13: (208, 459)
d13: (144, 395)
e13: (16, 267)
f13: (80, 331)
g13: (216, 467)
h13: (152, 403)
m13: (88, 339)
n14: (24, 275)
a14: (228, 479)
b14: (100, 351)
c14: (164, 415)
d14: (36, 287)
e14: (237, 488)
f14: (109, 360)
g14: (45, 296)
h14: (173, 424)
m14: (29, 280)
n15: (157, 408)
a15: (93, 344)
b15: (221, 472)
c15: (195, 446)
d15: (67, 318)
e15: (59, 310)
f15: (123, 374)
g15: (187, 438)
h15: (251, 502)
m15: (14, 265)
n16: (142, 393)
a16: (206, 457)
b16: (78, 329)
c16: (248, 499)
d16: (120, 371)
e16: (56, 307)
f16: (184, 435)
g16: (132, 383)
h16: (20, 271)
m16: (148, 399)
n17: (84, 335)
a17: (212, 463)
b17: (224, 475)
c17: (96, 347)
d17: (160, 411)
e17: (32, 283)
f17: (62, 313)
g17: (190, 441)
h17: (126, 377)
m17: (245, 496)
n18: (117, 368)
a18: (53, 304)
b18: (181, 432)
c18: (231, 482)
d18: (103, 354)
e18: (167, 418)
f18: (39, 290)
g18: (233, 484)
h18: (105, 356)
m18: (169, 420)
n19: (41, 292)
a19: (196, 447)
b19: (68, 319)
c19: (5, 256)
d19: (200, 451)
e19: (136, 387)
f19: (8, 259)
g19: (72, 323)
h19: (25, 276)
m19: (153, 404)
n20: (89, 340)
a20: (217, 468)
b20: (235, 486)
c20: (107, 358)
d20: (171, 422)
e20: (43, 294)
f20: (232, 483)
g20: (104, 355)
h20: (168, 419)
m20: (40, 291)
n21: (227, 478)
a21: (99, 350)
b21: (163, 414)
c21: (35, 286)
d21: (26, 277)
e21: (154, 405)
f21: (90, 341)
g21: (218, 469)
h21: (191, 442)
m21: (63, 314)
n22: (127, 378)
a22: (10, 261)
b22: (138, 389)
c22: (202, 453)
d22: (74, 325)
e22: (133, 384)
f22: (27, 278)
g22: (155, 406)
h22: (91, 342)
m22: (219, 470)
n23: (37, 288)
a23: (101, 352)
b23: (165, 416)
c23: (229, 480)
d23: (33, 284)
e23: (97, 348)
f23: (161, 412)
g23: (225, 476)
h23: (60, 311)
m23: (124, 375)
n24: (188, 439)
a24: (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, 491, 492, 493, 494, 495, 496, 497, 498, 499, 500, 501, 502)
b24: (197, 448)
c24: (69, 320)
d24: (23, 274)
e24: (151, 402)
f24: (87, 338)
g24: (215, 466)
h24: (230, 481)
m24: (102, 353)
n25: (166, 417)
a25: (38, 289)

(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[ 502, 1 ]
502
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-2 1 254 3 252
-3 253 2 255 4
-4 254 3 256 5
-5 255 4 257 6
-6 256 5 258 7
-7 257 6 259 8
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-502 1 501 250 252
0

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