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