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