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

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

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

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

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