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

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

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

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

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