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

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

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

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

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