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

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

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

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

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