Question
Read the clues. 

F is between 2001 and 3999.

The digits in the tens and hundreds places are 1.

The sum of all its digits is 6.

Find the highest possible number of F.
2 m

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Read the clues. 

F is between 2001 and 3999.

The digits in the tens and hundreds places are 1.

The sum of all its digits is 6.

Find the highest possible number of F.