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