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

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

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

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

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