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

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

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

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

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