diff --git a/examples/inc/README.txt b/examples/inc/README.txt
new file mode 100644
index 0000000..6923b73
--- /dev/null
+++ b/examples/inc/README.txt
@@ -0,0 +1,9 @@
+There are two simple Turing Machine programs that increment a unary number.
+
+inc1 the most naïve possible implementation of incrementing a number by 1.
+
+incby takes two unary numbers and increment the second one by the value of the first one
+
+e.g.: 1101110… ⇒ 110111110…
+
+-- Vadim Zaytsev, http://grammarware.net
diff --git a/examples/inc/inc1.ctur b/examples/inc/inc1.ctur
new file mode 100644
index 0000000..f7aaf96
--- /dev/null
+++ b/examples/inc/inc1.ctur
@@ -0,0 +1,6 @@
+J06
+MF
+J12
+W1
+MF
+
diff --git a/examples/inc/inc1.t_l2 b/examples/inc/inc1.t_l2
new file mode 100644
index 0000000..b173d4d
--- /dev/null
+++ b/examples/inc/inc1.t_l2
@@ -0,0 +1,8 @@
+J0 stop
+L skip
+  MF
+  J1 skip
+  W1
+  MF
+L stop
+
diff --git a/examples/inc/incby.ctur b/examples/inc/incby.ctur
new file mode 100644
index 0000000..5e5b31f
--- /dev/null
+++ b/examples/inc/incby.ctur
@@ -0,0 +1,15 @@
+J015
+W0
+MF
+J13
+MF
+J15
+W1
+MB
+J18
+MB
+J110
+W1
+MF
+J12
+
diff --git a/examples/inc/incby.t_l2 b/examples/inc/incby.t_l2
new file mode 100644
index 0000000..7895027
--- /dev/null
+++ b/examples/inc/incby.t_l2
@@ -0,0 +1,19 @@
+J0 stop
+L incby
+  W0
+  REP 2 {
+    L skip4
+      MF
+      J1 skip4
+  }
+  W1
+  REP 2 {
+    L back3
+      MB
+      J1 back3
+  }
+  W1
+  MF
+  J1 incby
+L stop
+