-0.7  -0.4      0.1 0.5
-0.43  3        0   0.4
 1     4.6     -0.5 0.2
 1.2   2.3     -0.2 0.2
 1.7   3.9     -0.1 1
 2.7  -1.1     -0.2 0.3
 3.98 -0.7     -0.4 0
 4.5   0.7539  -0.5 0.4