Nontouching Skyscrapers/en

Instructions

    

Skyscrapers: Fill the grid with digits from 1 to n, so that each digits appears exactly once in every row and column. Each digit represents a building, with the height of that digit itself. Clues outside the grid indicate the number of buildings that can be seen from the corresponding directions, taking into account that the higher buildings block the view of lower ones.

Nontouching Skyscrapers: Same digits cannot touch each other diagonally.