diff --git a/O.c b/O.c
new file mode 100644
index 0000000000000000000000000000000000000000..76375e3247a8bfc0904fba41a0b43d2fd7fef5ad
--- /dev/null
+++ b/O.c
@@ -0,0 +1,26 @@
+/*O Letter pattern
+*********       
+*       *
+*       *
+*       *
+*       *
+*       *
+*       *
+*       *
+********* */
+#include <stdio.h>
+int main(){
+    int n=7;
+    printf("Enter the limit (prefer odd number):");
+    scanf("%d", &n);
+    for(int i=1; i<=n; i++){
+        for(int j=1; j<=n; j++){
+            if((i==1&&j<=n)||(i==n&&j<=n)||(j==1&&i<=n)||(j==n&&i<=n)){
+                printf("*");
+            } else{
+                printf(" ");
+            }
+        }
+        printf("\n");
+    }
+}