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Format a list of strings into a table.

We have a style guide (for example, lines must be at most 80 characters wide). We have a tool that automatically
formats code to the style guide. One thing it can do is arrange lists of strings into a table. The strings in
each column are left-aligned to be more easily readable. It leaves no holes in the table except after the last
string in the last row (i.e. every cell contains a string, except possibly in the last row). Of course, the
strings remain in the original order.

Example:

W = 70 (characters)
S = [IsAudioBuffer, GetTimestamp, SetTimestamp, GetSampleRate, GetSampleSize, GetNumberOfChannels,
GetNumberOfSamples, GetDataBuffer, GetChannel]

We can format this as follows:

IsAudioBuffer GetTimestamp SetTimestamp GetSampleRate |
GetSampleSize GetNumberOfChannels GetNumberOfSamples GetDataBuffer |
GetChannel |

Given the list of strings, and a maximum number of characters per line, format the table using the maximum
number of columns without violating the line width constraint.