Skyscrapers. Medium, unless I overestimate the difficulty of a Skyscrapers.
Puzzle 24: Skyscrapers
What is this? A small-grid puzzles batch? You’ll find out the answer at Puzzle 25, within, say, 10 hours.
Puzzle 24: Skyscrapers
Chaos at the Sky
Where chaotic_iak (wants to) reside
Chaos at the Sky 