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

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

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

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

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