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