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