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