First test case is invalid. Please fix it.
I have fixed it.
and the fourth...
It must be OK now!
Bottles of beer
MATCH THE STRINGS (2 CHAR) very easy
convert matrix to single column
Reverse a matrix
Digit concentration in Champernowne's constant
Decrypt a secret message!
Happy Free Wednesday!
Number of Even Elements in Fibonacci Sequence
Cryptography with A Square Matrix : Encoding
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