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Curious Cheetah

Skyscrapers

Background

The various names of this puzzle reflect the idea that the grid represents a city block of buildings of various heights.

Puzzle and Goal

An unsolved puzzle consists of a square grid. There are numbers along the edges in some or all of the cells; the grid itself is blank.
The goal is to create a Latin square that satisfies the clues.
Skyscrapers initial statespacerSkyscrapers solution

Rules

The solved grid must satisfy the following conditions:

Variants

The rules at Janko.at suggest that some puzzles may have blank cells ("parks") in their solutions.

Other Names

Gratte-ciel; Hochhaus; Hochhäuser; Skyline; Stadtpanorama; Towers; Urban Skyline; Wolkenkratzer

Playable Online