OK I did it
it's been really tricky but a lot of fun.
I did it this way:
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×at first, you have to keep the mimics near you, in order to kill the eyes from the left side to almost the centre of the room.
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×Then, you have to put a distance between you and the mimics, so that they can kill the other eyes from the centre to the right before been caught by the eyes looking diagonally.
The rest is simple, if you don't mess up with the mimics and if you did a good work removing the trapdoors.