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