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