--- 1187711.esempio.output	2017-04-24 23:50:54.067102100 +0200
+++ esempio.out	2017-04-02 17:58:10.730776961 +0200
@@ -1 +1,5 @@
+0 0 6 0 0 0
+0 0 0 0 0 0
+0 0 0 5 0 0
+0 0 0 0 5 0