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

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

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

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

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