Results : 
========= 

Number of iterations in minimi  :   45
minimum   :   51514085376.000000
chi carre : 5151343.50000000

* Value of intencity and coordinates x and y :

  - Source number:    1
           6250000.000000       54.143845       81.250053 

  - Source number:    2
           6250000.000000       79.025352       76.163567 

  - Source number:    3
           6250000.000000       54.183327       60.183327 

  - Source number:    4
           6250000.000000       76.143822       52.183327 

* Values of z1, z2 delta1 and delta2:
              1.000000     0.000000     0.000000     0.000000