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

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

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

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

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