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

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

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

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

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