n64 1,2,3,4,5,6,7,8; 0,9,10,11,12,13,14,15; 0,9,16,17,18,19,20,21; 0,10,16,22,23,24,25,26; 0,11,17,22,27,28,29,30; 0,12,18,23,27,31,32,33; 0,13,19,24,28,31,34,35; 0,14,20,25,29,32,34,36; 0,15,21,26,30,33,35,36; 1,2,25,26,36,37,38,39; 1,3,20,21,36,40,44,45; 1,4,37,41,45,46,52,53; 1,5,38,41,44,49,55,62; 1,6,39,40,46,49,57,60; 1,7,16,20,25,52,60,62; 1,8,16,21,26,53,55,57; 2,3,14,15,36,41,46,49; 2,4,37,40,44,49,54,61; 2,5,38,40,45,46,58,59; 2,6,39,41,44,45,56,63; 2,7,10,14,25,54,56,58; 2,8,10,15,26,59,61,63; 3,4,38,39,45,49,50,51; 3,5,37,39,44,46,47,48; 3,6,37,38,40,41,42,43; 3,7,9,14,20,42,47,50; 3,8,9,15,21,43,48,51; 4,5,34,35,36,39,40,41; 4,6,32,33,36,38,44,46; 4,7,31,33,35,50,52,54; 4,8,31,32,34,51,53,61; 5,6,29,30,36,37,45,49; 5,7,28,30,35,47,58,62; 5,8,28,29,34,48,55,59; 6,7,27,30,33,42,56,60; 6,8,27,29,32,43,57,63; 7,8,9,10,16,27,28,31; 9,11,17,23,24,31,50,51; 9,12,18,22,24,28,47,48; 9,13,19,22,23,27,42,43; 10,13,17,18,24,27,56,63; 11,12,16,19,24,27,57,60; 24,25,34,39,48,51,56,60; 24,26,35,39,47,50,57,63; 10,12,17,19,23,28,58,59; 10,11,18,19,22,31,54,61; 11,13,16,18,23,28,55,62; 23,25,32,38,43,51,58,62; 23,26,33,38,42,50,55,59; 12,13,16,17,22,31,52,53; 22,25,29,37,43,48,52,54; 22,26,30,37,42,47,53,61; 11,14,29,49,50,54,55,57; 11,15,30,49,51,60,61,62; 17,20,29,45,50,52,59,63; 12,15,33,46,48,52,59,60; 19,20,34,40,42,59,60,61; 13,15,35,41,43,52,62,63; 18,20,32,44,47,61,62,63; 18,21,33,44,48,54,55,56; 13,14,34,41,42,53,55,56; 17,21,30,45,51,53,56,58; 12,14,32,46,47,53,57,58; 19,21,35,40,43,54,57,58.