0           0
           1           0
           2           0
           3           0
           4           0
           0           1
           1           1
           2           1
           3           1
           4           1
           0           2
           1           2
           2           2
           3           2
           4           2
           0           3
           1           3
           2           3
           3           3
           4           3
         0.5           0
           0         0.5
         1.5           0
         0.5         0.5
           1         0.5
         2.5           0
         1.5         0.5
           2         0.5
         3.5           0
         2.5         0.5
           3         0.5
         3.5         0.5
           4         0.5
         0.5           1
           0         1.5
         1.5           1
         0.5         1.5
           1         1.5
         2.5           1
         1.5         1.5
           2         1.5
         3.5           1
         2.5         1.5
           3         1.5
         3.5         1.5
           4         1.5
         0.5           2
           0         2.5
         1.5           2
         0.5         2.5
           1         2.5
         2.5           2
         1.5         2.5
           2         2.5
         3.5           2
         2.5         2.5
           3         2.5
         3.5         2.5
           4         2.5
         0.5           3
         1.5           3
         2.5           3
         3.5           3