var random_strategy = function() {
  return 0;
}

@@ -34,16 +34,114 @@
 %7B%0A  
-return 0
+var result = %7B direction: 0 %7D;%0A  result.direction = Math.floor((Math.random() * 100) %25 4);%0A  return result
 ;%0A%7D%0A

Implement random strategy