Good problem. You should generalise it with more tests (size of the matrix, different gap...).
I suspect that my solution isn't correct.
This doesn't work..Good for cody!!
Replace NaNs with the number that appears to its left in the row.
Number of Circles in a Number
Make a run-length companion vector
Sophie Germain prime
03 - Matrix Variables 2
Morse Code Generator! Try it!
Ripping numbers apart!
Count consecutive 0's in between values of 1
Find same numbers touching each other...
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