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