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

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

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

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

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