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

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

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

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

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