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