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

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

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

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

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