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