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