(0 17 8)(1 20 10)(2 6 4)(3 19 16)(5 11 9)(7 14 13)(12 18 15)
ALLOWS (11/8)-SEQUENCE
1: (0 8 17)
(0 8 17)(1 20 10)(2 6 4)(3 19 16)(5 11 9)(7 14 13)(12 18 15)
2: (1 20 10)
(0 8 17)(1)(2 6 4)(3 19 16)(5 11 9)(7 14 13)(10)(12 18 15)(20)
3: (0 8 17)
(0)(1)(2 6 4)(3 19 16)(5 11 9)(7 14 13)(8)(10)(12 18 15)(17)(20)
4: (5 11 9)
(0)(1)(2 6 4)(3 19 16)(5)(7 14 13)(8)(9)(10)(11)(12 18 15)(17)(20)