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