diff --git a/README.md b/README.md
index 33c331c..2208096 100644
--- a/README.md
+++ b/README.md
@@ -4,30 +4,30 @@ This is an implementation of 256 elementary cellular automatons: http://mathworl
 Example usage and output for rule 30:
 ```
 ./cellaut.pl 10 30 30
-111111111111110111111111111111
-111111111111100011111111111111
-111111111111001101111111111111
-111111111110010000111111111111
-111111111100110111011111111111
-111111111001000010001111111111
-111111110011011110110111111111
-111111100100001100000011111111
-111111001101110001111101111111
-111110010000100110111000111111
-111100110111101000010011011111
+              ■
+             ■■■
+            ■■  ■
+           ■■ ■■■■
+          ■■  ■   ■
+         ■■ ■■■■ ■■■
+        ■■  ■    ■  ■
+       ■■ ■■■■  ■■■■■■
+      ■■  ■   ■■■     ■
+     ■■ ■■■■ ■■  ■   ■■■
+    ■■  ■    ■ ■■■■ ■■  ■
 ```
 Example usage and output for rule 110:
 ```
 ./cellaut.pl 10 30 110
-111111111111110111111111111111
-111111111111100111111111111111
-111111111111000111111111111111
-111111111110010111111111111111
-111111111100000111111111111111
-111111111001110111111111111111
-111111110001100111111111111111
-111111100101000111111111111111
-111111000000010111111111111111
-111110011111000111111111111111
-111100011110010111111111111111
+              ■
+             ■■
+            ■■■
+           ■■ ■
+          ■■■■■
+         ■■   ■
+        ■■■  ■■
+       ■■ ■ ■■■
+      ■■■■■■■ ■
+     ■■     ■■■
+    ■■■    ■■ ■
 ```