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