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

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

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

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

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