C4graphGraph forms for C4 [ 500, 24 ] = PL(Br(50,5;2))

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On this page are computer-accessible forms for the graph C4[ 500, 24 ] = PL(Br(50,5;2)).

(I) Following is a form readable by MAGMA:

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

(II) A more general form is to represent the graph as the orbit of {247, 251} under the group generated by the following permutations:

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

(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[ 500, 24 ]
500
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-2 352 251 252 351
-3 352 451 452 351
-4 451 452 301 302
-5 301 302 401 402
-6 253 452 453 252
-7 253 302 303 252
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-452 3 4 6 10
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-499 243 244 236 240
-500 243 244 246 250
0

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