Curious Cheetah
Türen
Background
The origin of this puzzle is not known.
Puzzle and Goal
An unsolved puzzle consists of a grid; some cells contain number clues.
The goal is to create walls between orthogonal neighbors according to the rules.
Rules
The solved grid must satisfy the following conditions:
Clues indicate the number of cells that can be seen horizontally and vertically.
All cells form an orthogonally continuous area.