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

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

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

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

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