(0 18 16 14 11 5 1)(2 8 6)(3 20 4)(7 12 9)(10 15 13)(17 21 19)
ALLOWS (11/8)-SEQUENCE
1: (0 2 8)
(0 6 2 18 16 14 11 5 1)(3 20 4)(7 12 9)(8)(10 15 13)(17 21 19)
2: (1 11 5)
(0 6 2 18 16 14 11)(1)(3 20 4)(5)(7 12 9)(8)(10 15 13)(17 21 19)
3: (7 12 9)
(0 6 2 18 16 14 11)(1)(3 20 4)(5)(7)(8)(9)(10 15 13)(12)(17 21 19)
4: (0 6 2)
(0 18 16 14 11)(1)(2)(3 20 4)(5)(6)(7)(8)(9)(10 15 13)(12)(17 21 19)