(0 18 8 6 4)(1 5 3)(2 20 15)(7 12 9)(10 21 19)(11 16 13)(14 22 17)
ALLOWS (11/8)-SEQUENCE
1: (0 4 18)

(0 8 6 4 18)(1 5 3)(2 20 15)(7 12 9)(10 21 19)(11 16 13)(14 22 17)
2: (2 20 15)

(0 8 6 4 18)(1 5 3)(2)(7 12 9)(10 21 19)(11 16 13)(14 22 17)(15)(20)
3: (1 5 3)

(0 8 6 4 18)(1)(2)(3)(5)(7 12 9)(10 21 19)(11 16 13)(14 22 17)(15)(20)
4: (10 21 19)

(0 8 6 4 18)(1)(2)(3)(5)(7 12 9)(10)(11 16 13)(14 22 17)(15)(19)(20)(21)