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