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

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

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

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

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