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