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

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

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

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

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