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