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

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

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

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

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