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