Logo
Curious Cheetah

Shakashaka

Background

The origin of this puzzle is not known.

Puzzle and Goal

An unsolved puzzle is a rectangular grid. Some cells are black with number clues.
The goal is to color in some cells with triangles touching two sides, in order to satisfy the clues.

Rules

The solved grid must satisfy the following conditions:

Other Names

Proof of Quilt

Playable Online