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