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

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

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

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

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