diff --git a/DeitelC/Chapter4/trianglePrinting.c b/DeitelC/Chapter4/trianglePrinting.c
index d9a5339..04e03c6 100644
--- a/DeitelC/Chapter4/trianglePrinting.c
+++ b/DeitelC/Chapter4/trianglePrinting.c
@@ -1,11 +1,26 @@
 #include <stdio.h>
 
 int main(void) {
-    int start = 10;
-    for(int i = 1; i <= start; i++) {
+    for(int i = 0; i <= 10; i++) {
         for(int j = 0; j <= i; j++){
             printf("%s", "*");
         }
-    }
     printf("\n");
+    }
+    for(int i = 0; i <= 10; i++) {
+        for(int j = 10; j >= i; j--){
+            printf("%s", "*");
+        }
+    printf("\n");
+    }
+    for(int i = 0; i <= 10; i++) {
+        for(int t = 0; t <= i; t++){
+            printf(" ");
+        }
+        for(int j = 10; j >= i; j--){
+            printf("%s", "*");
+        }
+
+    printf("\n");
+    }
 }