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