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Using the following table as an example for this: Table

The rules are:

  1. The left column is unchanging, each column 1 section (A, B, C, D) takes up 3 rows while each column 2 section only takes up 1

  2. Only rows 6-9 can be used in column 2

  3. A column 2 section cannot share a row with its column 2 pair (i.e column 2 section C can only be in row 6)

  4. Column 2 can have a maximum of 2 sections in its row (you could have C and A in the same row but not C A and D)

How many combinations are possible for column 2?

(If an analogy for this would help, imagine there’s 4 guards. Column 1 is guard shift times and column 2 is their lunch breaks, you couldn’t have a lunch break while guarding)

Hello There
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  • Please clarify your specific problem or provide additional details to highlight exactly what you need. As it's currently written, it's hard to tell exactly what you're asking. – Community Jan 16 '24 at 16:47

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