loop in reverse order - this is a better search path

diff --git a/main.c b/main.c
index e093311d63ea31e18909fdc7a7f71c6d409318bb..7cad48ad9d9979405a0aa03414c9c19e46a1a984 100644 (file)
--- a/main.c
+++ b/main.c
@@ -233,11 +233,11 @@ static void iterate_recurse(int i, AdjWord min) {
     optimise(!(printcounter & 0xfff));
     return;
   }
-  for (adjmatrix[i] = min;
+  for (adjmatrix[i] = adjall;
        ;
-       adjmatrix[i]++) {
+       adjmatrix[i]--) {
     iterate_recurse(i+1, adjmatrix[i]);
-    if (adjmatrix[i] == adjall)
+    if (adjmatrix[i] == min)
       return;
   }
 }