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

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

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

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

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