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