diff --git a/7.x/PN7.1 RunGenerator/RunGenerator.java b/7.x/PN7.1 RunGenerator/RunGenerator.java
new file mode 100644
index 0000000..2d9b36f
--- /dev/null
+++ b/7.x/PN7.1 RunGenerator/RunGenerator.java	
@@ -0,0 +1,29 @@
+ 
+public class RunGenerator {
+    public static void main(String[] args) {
+        int[] values = {1,2,2,2,3,4,4,5,5,5,6,6,7,7,7,7,7,8,9,0};
+        
+        boolean inRun = false;
+        
+        for(int i = 0; i < values.length; i++) {
+            if(inRun) {
+                if(values[i] != values[i-1]) {
+                    System.out.print(")");
+                    inRun = false;
+                    if(i < values.length - 1 && values[i] == values[i+1]) {
+                        System.out.print("(");
+                        inRun = true;
+                    }
+                }
+            } else {
+                if(i < values.length - 1 && values[i] == values[i+1]) {
+                    System.out.print("(");
+                    inRun = true;
+                }
+            }
+            
+            System.out.print(values[i]);
+        }
+        if(inRun) System.out.print(")");
+    }
+}