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