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

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

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

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

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