Queen Sudoku 2020

Queen Sudoku 2020 is defined as a logic-based, number-placement puzzle.

Queen Sudoku 2020 initially displays a partially filled grid. The aim of the game is to fill each square with a number from 1 - 9. Each number can only appear once in the same row, column or 3 x 3 box.

It is important to stress the fact that no number from 1 to 9 can be repeated in any row or column.

For a puzzle to be a true Queen Sudoku 2020, it can have one (and only one) solution. There can be no ambiguity in Sudoku. Each number has a single location it must reside in. Otherwise, the player is forced to guess which location to choose thus changing the puzzle into a game of chance.

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