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Curious Cheetah

Lighthouses

Background

This puzzle is similar to tents; it is somewhat the inverse of it. The numbered clues represent lighthouses, and the goal is to place ships that can be seen by the lighthouses (that is, that are in the same rank).

Puzzle and Goal

An unsolved puzzle consists of a square grid, some of which contain numbers.
The goal is to place "boats" in some of the squares to satisfy the clues.
Lighthouses initial statespacerLighthouses solution

Rules

The solved grid must satisfy the following conditions:

Other Names

Leuchttürme

Playable Online