$EXEC orbit (0,2,1,4,5,3,6)(7,9,8,11,12,10,13)(14,16,15,18,19,17,20) (0,2,4)(1,3,5)(6)(7,9,11)(8,10,12)(13)(14,16,18)(15,17,19)(20) (0,7,14)(1,8,15)(2,9,16)(3,10,17)(4,11,18)(5,12,19)(6,13,20) .. 000000000011110000010 000000000000010111010 000000000111100000100 000000100000100110010 000000100010000111000 000000100000010001011 000000000000110101100 000000000001111010000 000000000011010010001 000000000101010000011 000000100010100001010 000000100110000001001 000000100011000010100 000000100011001001000 000000100001100000101 000000100101000100100 000000100101000010010 000000100010100100100 000000100010101010000