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

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

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

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

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