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