1.  1 -  1    4  25.00%
 2.  1 -  2    4  25.00%
 3.  3 -  1    3  18.75%
 4.  2 -  1    2  12.50%
 5.  0 -  2    1   6.25%
 6.  3 -  0    1   6.25%
 7.  4 -  1    1   6.25%