diff --git a/xor.txt b/xor.txt
new file mode 100644
index 0000000..e1d58ca
--- /dev/null
+++ b/xor.txt
@@ -0,0 +1,14 @@
+DEF AND
+    PORT IN A
+    PORT IN B
+    PORT OUT Z
+
+    NET C
+    NET D
+    NET E
+
+    INST NAND1 NAND A B C
+    INST NAND1 NAND A C D
+    INST NAND2 NAND C B E
+    INST NAND3 NAND D E Z
+ENDDEF