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Find out all possible groups of three different numbers that
add up to 13 and arrange them according to given condition.
If one number is 9, it must go with 1 and 3.
If one number is 8, it must go with either 1 and 4 or 2 and 3.
If one number is 7, it must go with either 1 and 5 or 2 and 4.
If one number is 6, it must go with either 2 and 5 or 3 and 4.

In the town called Alibaug, the following facts are true:
? No two inhabitants have exactly the same number of hairs.
? No inhabitants has exactly 2025 hairs.
? There are more inhabitants than there are hairs on the
head of any one inhabitants.
What is the largest possible number of the inhabitants of
Alibaug?