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