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Skyscrapers with GT hints (663)

Instruction:
Place numbers from 1-5 (1-3 in the example) in all the cells so that they do not repeat in rows and columns. These numbers represent heights of the buildings. The numbers around the grid indicate the number of buildings you can see from the given viewpoint. The bulding is visible only when it is higher than all the buildings in front of it.
The skyscraper hints are not given however. You can only see the comparison between the hints and the first row of inner numbers and between some of the hints. (You do not need to fill all the hints at the borders to score the points)

Reference: WPC 2018 (120)

Parent puzzle:
Skyscrapers
Related puzzles:
Greater Than Skyscrapers