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