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