Side by side timers will activate and deactivate each other, when not wired together. This makes a lot of compact circuitry impossible, as the constant toggling effect ruins the mechanisms' intended sequences. Seems to be caused by them sending a signal one block outwards rather than only on the block of its placement, as wires that run right past them, but do not connect, will also receive the signal as though they were connected. Needs to be fixed. My new extremely complex arena relies on timers working the way they're supposed to.