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