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