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

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

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

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

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