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