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