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