$EXEC orbit (0,1,8,7)(2,5,6,3)(4,9)(10,11,18,17)(12,15,16,13)(14,19)(20,21,28,27)(22,25,26,23)(24,29)(30,31,38,37)(32,35,36,33)(34,39) (0,2,4,6,8)(1,3,5,7,9)(10,12,14,16,18)(11,13,15,17,19)(20,22,24,26,28)(21,23,25,27,29)(30,32,34,36,38)(31,33,35,37,39) .. 1000000000100000000010000000001100000001 1000000000000001000000100000100000101000 1010000000010000000000010010010000000000 1100000001000100010000000000000000010000 0000000000110110000000100001000000000000