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