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Choose a number from 1 to 9 on the left side and put it in the puzzle

Sudoku is a logic puzzle game created in 1783 by the Swiss mathematician Leonhard Euler. To solve Sudoku, you need to fill the empty cells with the missing numbers from 1 to 9. Any number can only be used once in each row, column and diagonal. The puzzle game board is divided into squares of 9 cells filled with numbers. Part of the numbers are visible, the other part is hidden. The cells contain numbers from 1 to 9, and each number can be used only once. The 9 cells in the horizontal, vertical and diagonal columns that unite all the squares cannot contain the same numbers. Your task is to add the missing numbers to the empty cells. The puzzle is solved with the help of logic on the basis of the given information, which is enough to solve the puzzle without using hints. The hardest part of the Sudoku puzzle is the beginning of the game. As you find the correct numbers, finding the correct numbers will become easier. Use the notes to mark boxes with possibilities and cross out notes to mark impossibilities. Each box you find the solution to will bring you closer to the final result. Entering numbers and notes Tap a cell and then a number to enter it. Or if you don't have a cell selected you can select a number and tap cells to enter it. You can do the same for notes. Adding the same note multiple times will cycle between note, slashed note, or no note. From the menu you can turn off the option to use slash notes. You can also access menu options to automate some note functions: Place notes Uses the values already on the grid to determine all the possibilities for a cell automatically and fills them 456 in as notes. You can do this at any time and can do it to one cell or the entire grid. Auto clean up and Cleanup Cleanup will slash any notes that have been disproven based on entries on the board. You can do this any time but you can have it always happen automatically (If you enter a 3, any notes that may have had a 3 in that row will be erased) when you enter input by turning on Auto Cleanup. If you have slash notes off, the notes will simply be erased.