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.
Remove all the consonants
The Goldbach Conjecture, Part 2
Omit columns averages from a matrix
Add two numbers
How many Fibonacci numbers?
Sub-sequence - 01
Yoonir - 03
Don't be Too Greedy!
Check Digit - 01
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