1.  2 -  1    4  33.33%
 2.  1 -  0    2  16.67%
 3.  0 -  2    1   8.33%
 4.  0 -  3    1   8.33%
 5.  1 -  1    1   8.33%
 6.  1 -  2    1   8.33%
 7.  1 -  3    1   8.33%
 8.  2 -  3    1   8.33%