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