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