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