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