Create a reverse checkbox matrix with '69'.
Where the size is the input and output will be a square checkbox matrix.
If input is 4 then output will be
[ 0 69 0 69
69 0 69 0
0 69 0 69
69 0 69 0]
Who Has the Most Change?
Construct a string from letters and counts
Spot the outlier
How many jokers?
BULLSEYE Part 3: Reference Problem 18 BULLSEYE
Make combination of two given matrices.
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