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On this page are computer-accessible forms for the graph C4[ 506, 1 ] = W(253,2).

(I) Following is a form readable by MAGMA:

g:=Graph<506|{ {2, 3}, {504, 505}, {502, 503}, {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}, {250, 251}, {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}, {1, 2}, {505, 506}, {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}, {249, 250}, {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}, {85, 86}, {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}, {145, 146}, {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}, {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}, {503, 504}, {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, 253}, {2, 254}, {3, 255}, {1, 255}, {127, 128}, {383, 384}, {2, 256}, {251, 505}, {250, 504}, {143, 397}, {142, 396}, {139, 393}, {138, 392}, {135, 389}, {134, 388}, {131, 385}, {130, 384}, {127, 381}, {126, 380}, {123, 377}, {122, 376}, {119, 373}, {118, 372}, {115, 369}, {114, 368}, {111, 365}, {110, 364}, {107, 361}, {106, 360}, {103, 357}, {102, 356}, {99, 353}, {98, 352}, {95, 349}, {94, 348}, {91, 345}, {90, 344}, {87, 341}, {86, 340}, {3, 257}, {6, 260}, {7, 261}, {10, 264}, {11, 265}, {14, 268}, {15, 269}, {18, 272}, {19, 273}, {22, 276}, {23, 277}, {26, 280}, {27, 281}, {30, 284}, {31, 285}, {34, 288}, {35, 289}, {38, 292}, {39, 293}, {42, 296}, {43, 297}, {46, 300}, {47, 301}, {50, 304}, {51, 305}, {54, 308}, {55, 309}, {58, 312}, {59, 313}, {62, 316}, {63, 317}, {66, 320}, {67, 321}, {70, 324}, {71, 325}, {74, 328}, {75, 329}, {78, 332}, {79, 333}, {82, 336}, {83, 337}, {146, 400}, {147, 401}, {150, 404}, {151, 405}, {154, 408}, {155, 409}, {158, 412}, {159, 413}, {162, 416}, {163, 417}, {166, 420}, {167, 421}, {170, 424}, {171, 425}, {174, 428}, {175, 429}, {178, 432}, {179, 433}, {182, 436}, {183, 437}, {186, 440}, {187, 441}, {190, 444}, {191, 445}, {194, 448}, {195, 449}, {198, 452}, {199, 453}, {202, 456}, {203, 457}, {206, 460}, {207, 461}, {210, 464}, {211, 465}, {214, 468}, {215, 469}, {218, 472}, {219, 473}, {222, 476}, {223, 477}, {226, 480}, {227, 481}, {230, 484}, {231, 485}, {234, 488}, {235, 489}, {238, 492}, {239, 493}, {242, 496}, {243, 497}, {246, 500}, {247, 501}, {4, 256}, {254, 506}, {253, 505}, {252, 504}, {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}, {84, 336}, {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}, {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}, {4, 258}, {252, 506}, {141, 395}, {140, 394}, {133, 387}, {132, 386}, {125, 379}, {124, 378}, {117, 371}, {116, 370}, {109, 363}, {108, 362}, {101, 355}, {100, 354}, {93, 347}, {92, 346}, {85, 339}, {84, 338}, {5, 259}, {12, 266}, {13, 267}, {20, 274}, {21, 275}, {28, 282}, {29, 283}, {36, 290}, {37, 291}, {44, 298}, {45, 299}, {52, 306}, {53, 307}, {60, 314}, {61, 315}, {68, 322}, {69, 323}, {76, 330}, {77, 331}, {148, 402}, {149, 403}, {156, 410}, {157, 411}, {164, 418}, {165, 419}, {172, 426}, {173, 427}, {180, 434}, {181, 435}, {188, 442}, {189, 443}, {196, 450}, {197, 451}, {204, 458}, {205, 459}, {212, 466}, {213, 467}, {220, 474}, {221, 475}, {228, 482}, {229, 483}, {236, 490}, {237, 491}, {244, 498}, {245, 499}, {8, 260}, {251, 503}, {250, 502}, {249, 501}, {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}, {8, 262}, {249, 503}, {137, 391}, {136, 390}, {121, 375}, {120, 374}, {105, 359}, {104, 358}, {89, 343}, {88, 342}, {9, 263}, {24, 278}, {25, 279}, {40, 294}, {41, 295}, {56, 310}, {57, 311}, {72, 326}, {73, 327}, {152, 406}, {153, 407}, {168, 422}, {169, 423}, {184, 438}, {185, 439}, {200, 454}, {201, 455}, {216, 470}, {217, 471}, {232, 486}, {233, 487}, {248, 502}, {16, 268}, {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}, {144, 396}, {145, 397}, {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}, {16, 270}, {113, 367}, {112, 366}, {17, 271}, {48, 302}, {49, 303}, {80, 334}, {81, 335}, {144, 398}, {145, 399}, {176, 430}, {177, 431}, {208, 462}, {209, 463}, {240, 494}, {241, 495}, {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}, {32, 286}, {97, 351}, {96, 350}, {33, 287}, {160, 414}, {161, 415}, {224, 478}, {225, 479}, {64, 316}, {65, 317}, {66, 318}, {67, 319}, {192, 444}, {193, 445}, {194, 446}, {195, 447}, {64, 318}, {65, 319}, {192, 446}, {193, 447}, {1, 506}, {128, 380}, {131, 383}, {130, 382}, {129, 381}, {128, 382}, {129, 383}, {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: (233, 486)
b: (105, 358)
c: (169, 422)
d: (41, 294)
e: (220, 473)
f: (156, 409)
g: (92, 345)
h: (28, 281)
m: (192, 445)
n1: (64, 317)
a1: (128, 381)
b1: (61, 314)
c1: (189, 442)
d1: (125, 378)
e1: (253, 506)
f1: (30, 283)
g1: (158, 411)
h1: (94, 347)
m1: (222, 475)
n2: (231, 484)
a2: (103, 356)
b2: (167, 420)
c2: (39, 292)
d2: (15, 268)
e2: (143, 396)
f2: (207, 460)
g2: (79, 332)
h2: (26, 279)
m2: (154, 407)
n3: (90, 343)
a3: (218, 471)
b3: (14, 267)
c3: (142, 395)
d3: (206, 459)
e3: (78, 331)
f3: (2, 253)(3, 252)(4, 251)(5, 250)(6, 249)(7, 248)(8, 247)(9, 246)(10, 245)(11, 244)(12, 243)(13, 242)(14, 241)(15, 240)(16, 239)(17, 238)(18, 237)(19, 236)(20, 235)(21, 234)(22, 233)(23, 232)(24, 231)(25, 230)(26, 229)(27, 228)(28, 227)(29, 226)(30, 225)(31, 224)(32, 223)(33, 222)(34, 221)(35, 220)(36, 219)(37, 218)(38, 217)(39, 216)(40, 215)(41, 214)(42, 213)(43, 212)(44, 211)(45, 210)(46, 209)(47, 208)(48, 207)(49, 206)(50, 205)(51, 204)(52, 203)(53, 202)(54, 201)(55, 200)(56, 199)(57, 198)(58, 197)(59, 196)(60, 195)(61, 194)(62, 193)(63, 192)(64, 191)(65, 190)(66, 189)(67, 188)(68, 187)(69, 186)(70, 185)(71, 184)(72, 183)(73, 182)(74, 181)(75, 180)(76, 179)(77, 178)(78, 177)(79, 176)(80, 175)(81, 174)(82, 173)(83, 172)(84, 171)(85, 170)(86, 169)(87, 168)(88, 167)(89, 166)(90, 165)(91, 164)(92, 163)(93, 162)(94, 161)(95, 160)(96, 159)(97, 158)(98, 157)(99, 156)(100, 155)(101, 154)(102, 153)(103, 152)(104, 151)(105, 150)(106, 149)(107, 148)(108, 147)(109, 146)(110, 145)(111, 144)(112, 143)(113, 142)(114, 141)(115, 140)(116, 139)(117, 138)(118, 137)(119, 136)(120, 135)(121, 134)(122, 133)(123, 132)(124, 131)(125, 130)(126, 129)(127, 128)(255, 506)(256, 505)(257, 504)(258, 503)(259, 502)(260, 501)(261, 500)(262, 499)(263, 498)(264, 497)(265, 496)(266, 495)(267, 494)(268, 493)(269, 492)(270, 491)(271, 490)(272, 489)(273, 488)(274, 487)(275, 486)(276, 485)(277, 484)(278, 483)(279, 482)(280, 481)(281, 480)(282, 479)(283, 478)(284, 477)(285, 476)(286, 475)(287, 474)(288, 473)(289, 472)(290, 471)(291, 470)(292, 469)(293, 468)(294, 467)(295, 466)(296, 465)(297, 464)(298, 463)(299, 462)(300, 461)(301, 460)(302, 459)(303, 458)(304, 457)(305, 456)(306, 455)(307, 454)(308, 453)(309, 452)(310, 451)(311, 450)(312, 449)(313, 448)(314, 447)(315, 446)(316, 445)(317, 444)(318, 443)(319, 442)(320, 441)(321, 440)(322, 439)(323, 438)(324, 437)(325, 436)(326, 435)(327, 434)(328, 433)(329, 432)(330, 431)(331, 430)(332, 429)(333, 428)(334, 427)(335, 426)(336, 425)(337, 424)(338, 423)(339, 422)(340, 421)(341, 420)(342, 419)(343, 418)(344, 417)(345, 416)(346, 415)(347, 414)(348, 413)(349, 412)(350, 411)(351, 410)(352, 409)(353, 408)(354, 407)(355, 406)(356, 405)(357, 404)(358, 403)(359, 402)(360, 401)(361, 400)(362, 399)(363, 398)(364, 397)(365, 396)(366, 395)(367, 394)(368, 393)(369, 392)(370, 391)(371, 390)(372, 389)(373, 388)(374, 387)(375, 386)(376, 385)(377, 384)(378, 383)(379, 382)(380, 381)
g3: (245, 498)
h3: (117, 370)
m3: (53, 306)
n4: (181, 434)
a4: (2, 255)
b4: (252, 505)
c4: (60, 313)
d4: (188, 441)
e4: (124, 377)
f4: (251, 504)
g4: (59, 312)
h4: (187, 440)
m4: (123, 376)
n5: (20, 273)
a5: (66, 319)
b5: (194, 447)
c5: (148, 401)
d5: (84, 337)
e5: (212, 465)
f5: (76, 329)
g5: (140, 393)
h5: (12, 265)
m5: (204, 457)
n6: (4, 257)
a6: (196, 449)
b6: (68, 321)
c6: (132, 385)
d6: (63, 316)
e6: (191, 444)
f6: (127, 380)
g6: (8, 261)
h6: (136, 389)
m6: (200, 453)
n7: (72, 325)
a7: (5, 258)
b7: (197, 450)
c7: (69, 322)
d7: (133, 386)
e7: (3, 256)
f7: (203, 456)
g7: (139, 392)
h7: (11, 264)
m7: (75, 328)
n8: (131, 384)
a8: (237, 490)
b8: (109, 362)
c8: (45, 298)
d8: (173, 426)
e8: (241, 494)
f8: (113, 366)
g8: (49, 302)
h8: (177, 430)
m8: (62, 315)
n9: (190, 443)
a9: (10, 263)
b9: (138, 391)
c9: (202, 455)
d9: (74, 327)
e9: (232, 485)
f9: (104, 357)
g9: (168, 421)
h9: (40, 293)
m9: (16, 269)
n10: (144, 397)
a10: (208, 461)
b10: (80, 333)
c10: (235, 488)
d10: (107, 360)
e10: (171, 424)
f10: (43, 296)
g10: (27, 280)
h10: (155, 408)
m10: (91, 344)
n11: (219, 472)
a11: (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, 503, 504, 505, 506)
b11: (46, 299)
c11: (110, 363)
d11: (238, 491)
e11: (174, 427)
f11: (230, 483)
g11: (102, 355)
h11: (166, 419)
m11: (38, 291)
n12: (29, 282)
a12: (157, 410)
b12: (93, 346)
c12: (221, 474)
d12: (248, 501)
e12: (120, 373)
f12: (56, 309)
g12: (184, 437)
h12: (13, 266)
m12: (141, 394)
n13: (205, 458)
a13: (77, 330)
b13: (244, 497)
c13: (116, 369)
d13: (52, 305)
e13: (180, 433)
f13: (250, 503)
g13: (58, 311)
h13: (186, 439)
m13: (122, 375)
n14: (130, 383)
a14: (227, 480)
b14: (99, 352)
c14: (163, 416)
d14: (35, 288)
e14: (24, 277)
f14: (152, 405)
g14: (88, 341)
h14: (216, 469)
m14: (31, 284)
n15: (159, 412)
a15: (95, 348)
b15: (223, 476)
c15: (242, 495)
d15: (114, 367)
e15: (50, 303)
f15: (178, 431)
g15: (17, 270)
h15: (145, 398)
m15: (209, 462)
n16: (81, 334)
a16: (19, 272)
b16: (134, 387)
c16: (198, 451)
d16: (70, 323)
e16: (6, 259)
f16: (147, 400)
g16: (83, 336)
h16: (211, 464)
m16: (243, 496)
n17: (115, 368)
a17: (51, 304)
b17: (179, 432)
c17: (228, 481)
d17: (100, 353)
e17: (164, 417)
f17: (36, 289)
g17: (7, 260)
h17: (135, 388)
m17: (199, 452)
n18: (71, 324)
a18: (37, 290)
b18: (101, 354)
c18: (165, 418)
d18: (229, 482)
e18: (240, 493)
f18: (112, 365)
g18: (48, 301)
h18: (176, 429)
m18: (226, 479)
n19: (98, 351)
a19: (162, 415)
b19: (34, 287)
c19: (21, 274)
d19: (149, 402)
e19: (85, 338)
f19: (213, 466)
g19: (193, 446)
h19: (65, 318)
m19: (129, 382)
n20: (239, 492)
a20: (111, 364)
b20: (47, 300)
c20: (175, 428)
d20: (182, 435)
e20: (118, 371)
f20: (246, 499)
g20: (54, 307)
h20: (9, 262)
m20: (137, 390)
n21: (201, 454)
a21: (73, 326)
b21: (224, 477)
c21: (96, 349)
d21: (160, 413)
e21: (32, 285)
f21: (236, 489)
g21: (108, 361)
h21: (172, 425)
m21: (44, 297)
n22: (25, 278)
a22: (153, 406)
b22: (89, 342)
c22: (217, 470)
d22: (249, 502)
e22: (57, 310)
f22: (185, 438)
g22: (121, 374)
h22: (23, 276)
m22: (151, 404)
n23: (87, 340)
a23: (215, 468)
b23: (18, 271)
c23: (146, 399)
d23: (82, 335)
e23: (210, 463)
f23: (225, 478)
g23: (97, 350)
h23: (161, 414)
m23: (33, 286)
n24: (247, 500)
a24: (119, 372)
b24: (55, 308)
c24: (183, 436)
d24: (234, 487)
e24: (106, 359)
f24: (170, 423)
g24: (42, 295)
h24: (195, 448)
m24: (67, 320)
n25: (22, 275)
a25: (150, 403)
b25: (86, 339)
c25: (214, 467)

(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[ 506, 1 ]
506
-1 253 506 2 255
-2 1 254 3 256
-3 2 255 4 257
-4 3 256 5 258
-5 4 257 6 259
-6 5 258 7 260
-7 6 259 8 261
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-9 8 261 10 263
-10 11 264 9 262
-11 12 265 10 263
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-13 12 265 14 267
-14 13 266 15 268
-15 14 267 16 269
-16 15 268 17 270
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-19 18 271 20 273
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-24 23 276 25 278
-25 24 277 26 279
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-35 34 287 36 289
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0

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