Sudoku Rain Description

Solving a Su-doku puzzle can be extremely tricky; however, the rules of the game are pretty simple. Su-doku is a grid of 9-by-9 squares made up of nine 3-by-3 regions. Some of the regions numbers are given. Solving a Su-doku puzzle does not require knowledge of mathematics. The goal is to fill in the empty square, so that each column, row, and region contains the numbers 1 through 9 exactly once.

Sudoku (sū-do-ku), also known as Number Place, is a logic-based placement puzzle. The aim of...

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