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