First test case is invalid. Please fix it.
I have fixed it.
and the fourth...
It must be OK now!
It dseon't mettar waht oedrr the lrettes in a wrod are.
Find out missing number from a vector of 9 elements
Repeat string n times - 3
Fill the matrix - 1
Recaman Sequence - III
Fill the Matrix - 2
String permutations on phone keyboard
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