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

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

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

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

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