Really interesting puzzle design here, it feels like the puzzles are split into 2 camps, one where the loops are an obstacle, and the other where they're required for cooperation. For the first 7 levels I felt that the best way to play the game was to avoid interacting with my clones as much as possible, only for level 8 to very drastically force me to cooperate them, which made for a pretty stark difficulty spike. But levels 8 onwards I found were infinitely more gratifying to solve because of that difficulty. Very clever puzzle design albeit necessitating a slightly smoother level by level learning process