Matches arranged to show 508

What is the biggest number you can make by moving exactly 2 matches in the number above?

Assume that numbers must be represented in their standard “digital clock” font (for example, a “1” requires two segments).


Solution

81151 is the biggest number.

The trick is you are not limited to just 3 digits! Break the “0” into two ones, and use those two matches to create a new “1” before the 5 (which gives you 15118). Then turn the whole thing upside-down:

Match Maximization Solution

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