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

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

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

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

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