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

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

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

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

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