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

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

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

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

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