diff --git a/2016/d25/ex2/input b/2016/d25/ex2/input
index 199164f..7a978f6 100644
--- a/2016/d25/ex2/input
+++ b/2016/d25/ex2/input
@@ -1,62 +1,30 @@
-Begin in state A.
-Perform a diagnostic checksum after 12683008 steps.
-
-In state A:
-  If the current value is 0:
-    - Write the value 1.
-    - Move one slot to the right.
-    - Continue with state B.
-  If the current value is 1:
-    - Write the value 0.
-    - Move one slot to the left.
-    - Continue with state B.
-
-In state B:
-  If the current value is 0:
-    - Write the value 1.
-    - Move one slot to the left.
-    - Continue with state C.
-  If the current value is 1:
-    - Write the value 0.
-    - Move one slot to the right.
-    - Continue with state E.
-
-In state C:
-  If the current value is 0:
-    - Write the value 1.
-    - Move one slot to the right.
-    - Continue with state E.
-  If the current value is 1:
-    - Write the value 0.
-    - Move one slot to the left.
-    - Continue with state D.
-
-In state D:
-  If the current value is 0:
-    - Write the value 1.
-    - Move one slot to the left.
-    - Continue with state A.
-  If the current value is 1:
-    - Write the value 1.
-    - Move one slot to the left.
-    - Continue with state A.
-
-In state E:
-  If the current value is 0:
-    - Write the value 0.
-    - Move one slot to the right.
-    - Continue with state A.
-  If the current value is 1:
-    - Write the value 0.
-    - Move one slot to the right.
-    - Continue with state F.
-
-In state F:
-  If the current value is 0:
-    - Write the value 1.
-    - Move one slot to the right.
-    - Continue with state E.
-  If the current value is 1:
-    - Write the value 1.
-    - Move one slot to the right.
-    - Continue with state A.
+cpy a d
+cpy 15 c
+cpy 170 b
+inc d
+dec b
+jnz b -2
+dec c
+jnz c -5
+cpy d a
+jnz 0 0
+cpy a b
+cpy 0 a
+cpy 2 c
+jnz b 2
+jnz 1 6
+dec b
+dec c
+jnz c -4
+inc a
+jnz 1 -7
+cpy 2 b
+jnz c 2
+jnz 1 4
+dec b
+dec c
+jnz 1 -4
+jnz 0 0
+out b
+jnz a -19
+jnz 1 -21