diff --git a/include/lsgrmGraphOperations.txx b/include/lsgrmGraphOperations.txx
index bebfc46ed6a90a30df3001cae1ad76c0a057c1ad..d2094771191aa3a9c7811ea4cbb7979b59c2a7fc 100644
--- a/include/lsgrmGraphOperations.txx
+++ b/include/lsgrmGraphOperations.txx
@@ -639,11 +639,9 @@ long long unsigned int RunFirstPartialSegmentation(
 
   std::cout << "--- Running fist partial segmentation...\nNumber of neighbor layers " << numberOfNeighborLayers << std::endl;
 
-  //for(unsigned int row = 0; row < nbTilesY; ++row)
-  for(unsigned int row = 24; row < 25; ++row)	  
+  for(unsigned int row = 0; row < nbTilesY; ++row)
     {
-    //for(unsigned int col = 0; col < nbTilesX; col++)
-	for(unsigned int col = 30; col < 31; col++)
+    for(unsigned int col = 0; col < nbTilesX; col++)
       {
 #ifdef OTB_USE_MPI
       if (MyTurn(row*nbTilesX + col))