The problem is asking for tangent circles.
Problem with the third test suite
in 3rd case,
they intersect at two points.
In geometry, tangent circles (also known as kissing circles) are circles that intersect in a single point.
Back to basics 3 - Temp Directory
Back to basics 23 - Triangular matrix
Is X a Fibonacci Matrix?
Spiral Out - 02
Game of life - 02
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