3 digits plus decimals takes 5 steps has something to do with hex code as first step you only need a calculator and smarts
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First step:
Replacing the colors in the image with their hex values given by the legend (black = 0, grey = 1, red = 2, ... white = F) yields:
0C600634C402E26DBEA765C547C8B1 D9B906039CA5927D490D9C444D0471 A8632BB589B63C320F10E87E0C9D64 6123A5C0DF9DBA8C58853898A1E390 B3FD938C253BA155C5D24C
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$\begingroup$ please explain your approach to this answer. thanks and happy puzzling ;) $\endgroup$ – Omega Krypton Feb 1 at 6:21
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$\begingroup$ Nice, keep going. The bars at the top have no order. $\endgroup$ – Rasznu Chadzynski Feb 1 at 12:14