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

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

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

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

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