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