algorithm fix

backend/app.js

@@ -257,16 +257,22 @@ function MakePairsV3(callback){
       tree = [];
       done=false;
 
-      for (let i=0;i<names.length;i++){
-        for (let j=0;j<=i;j++){
-          if (matrix[i][j] === 0){
-            count_pairs(i,j,5);
-            if (done) break;
+      while(max_pairs>0){
+        for (let i=0;i<names.length;i++){
+          for (let j=0;j<=i;j++){
+            if (matrix[i][j] === 0){
+              count_pairs(i,j,5);
+              if (done) break;
+            }
           }
+          if (done) break;
         }
         if (done) break;
+        max_pairs--;
       }
 
+      
+
       let max_count_index = 0;
       
       for (let i=0;i<tree.length;i++){