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