# Futoshiki Puzzle with the least amount of clue

You are supposed to create a new $5$x$5$ Futoshiki puzzle with the least amount of clues possible, but this puzzle needs a unique answer. In other words,

What is the minimum number of clues for $5$x$5$ Futoshiki puzzle having a unique solution?

Note that

Each number and each sign is a clue.

• If you're interested, there are the very similar Mainarizumu puzzles – Engineer Toast Oct 12 '17 at 14:28
• NB: There are only 30960 possible solutions (up to some measure of equivalence) and 22600736 different ways of putting down up to 5 clues, so brute-force is entirely feasible. – Veedrac Oct 13 '17 at 11:46