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