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

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

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

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

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