# Zehnergitter

## Background

The origin of this puzzle is not known.

## Puzzle and Goal

An unsolved puzzle consists of a rectangular grid with some number clues.

The goal is to fill in all cells according to the rules.

## Rules

The solved grid must satisfy the following conditions:

Each row (except the bottom) must contain the numbers 0 to 9.

The bottom row contains the sum of the numbers in each column.

No two neighboring cells can contain the same digit.

## Playable Online