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

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

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

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

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