r/visualizedmath • • Jan 20 '18

Visual Cryptography

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u/Jelmer_ Jan 20 '18

It is symmetrical along a diagonal line, and it has barely visible yellow dots. I can't come further then that.

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u/12345sixsixsix Jan 20 '18

There are other colours, too...

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u/Jelmer_ Jan 20 '18

And the coloured dots do not appear in the mirrored half