I didn't realize you could use that function with non-digits in your string. Suddenly, this problem is a whole lot easier. :-)
Create a cell array out of a struct
Find best placement for ordered dominoes (harder)
Set the array elements whose value is 13 to 0
Cell Counting: How Many Draws?
Is this triangle right-angled?
I'm going to enjoy watching you calculate, Mr Anderson
Points on a Sphere
Miles to go before I sleep
Sums of Distinct Powers
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