Problem asks for palindromes starting at 1, but test cases start at 100.
Now it goes down to 10, but wouldn't single digits be considered palindromes as well?
Additional test cases were added and the description slightly enhanced.
pressure to dB?
Sum of diagonal of a square matrix
Compare two input matrices
Area of a disk
Reverse a matrix
Find the square of the sum of the digits of a number
Find the area of the four walls
Concatenate two strings
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