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

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

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

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

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