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