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