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