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Curious Cheetah

Numberlink

Background

Number Link was invented in 1932 by Henry Ernest Dudeney; Sam Lloyd had invented a previous version in 1897.

Puzzle and Goal

An unsolved puzzle consists of a rectangular grid. Some of the squares contain numbers (or letters).
The goal is to draw paths through orthogonally neighboring cells connecting pairs of numbers (or letters).

Rules

The solved grid must satisfy the following conditions:

Other Names

Arukone; Nanbarinku

Playable Online