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