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