Very sneaky noticing this pattern in the answers.
Replace NaNs with the number that appears to its left in the row.
Program an exclusive OR operation with logical operators
Find perfect placement of non-rotating dominoes (easier)
Make a run-length companion vector
I Plead the Fifth
Combined Ages 1 - Symmetric, n = 3
Divisible by 3
Musical Note Interval 1 - Diatonic Scale
Scrabble Scores - 11
Pattern Recognition 2 - Known Unit Length, Various Array Length (including cell arrays)
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