-my $max_i=$max-1; # set it to "$max-1" to do 2401 tests (takes for ever to compile)
-my $max_j=0; # set it to "$max-1" to do 2401 tests (takes for ever to compile)
-my $max_k=$max-1; # set it to "$max-1" to do 2401 tests (takes for ever to compile)
-my $max_l=0; # set it to "$max-1" to do 2401 tests (takes for ever to compile)
+# Those max variables can be used to tune how much test you are ready to do.
+# But WARNING! changing them naturally invalidate any existing data file.
+my $max_i=$max-1;
+my $max_j=0;
+my $max_k=$max-1;
+my $max_l=0;