Get a diamond sword using only 1 dirt and 1 stone!!! 1. copy the command and paste into a command block 2. give it a redstone signal 3. click the first 2 signs to get the grass and stone. 4. drop the grass and stone on the floor 5. you get the super cheap diamond sword.
This has 2722 characters and was made at http://mrgarretto.com/cmdcombiner