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