If you know the solution, you can open it with only 3 moves. But, almost no one can open it without knowing the solution. We named it just "#1", so we wouldn't give you a hint with the name.
"Karakuri Creation Group doesn’t have a history of making devilishly difficult puzzles – they have a reputation of genious craftsmen. And their works are of supreme quality." - The Puzzle Wanderer
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