There is a painting hidden in the museum. Nobody knows which one it is or where it is hidden. It’s 8:20 a.m. and the museum opens at 9:00 o’clock so they need to find the missing painting before it opens.

They have found a note but they don’t understand the message because it is written in a secret alphabet. The security guards of the museum have asked for help to find it before the museum opens.

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