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In a plane, four circles with radii $1,$ $3,$ $5,$ and $7$ are all tangent to line L at the same point $A,$ but they may be on either side of line L Region $S$ consists of all the points that lie inside exactly one of the four circles. What is the maximum possible area of region $S\,?$

 Feb 10, 2021
 #1
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Please don't cheat on the AMC

 Feb 10, 2021
 #2
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dont cheat bud

 Feb 10, 2021

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