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

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

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

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

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