4 5
 1.8654  5.0  1.2  5.0 4.5
 0.3     0.2  0.3  0.2 -6.3
 2.7    -5.6  2.7 -5.6 -2.3
 0.3     0.6  0.3  0.1 -6.3
 
 6.3425 1.3  6.3  1.3  6.7
 0.4   -1.3  0.4 -1.3  4.5
-3.1   -0.2 -3.1 -0.2  7.8
 2.9   -5.6  2.7 -5.6 -2.3