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

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

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

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

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