![]() In these cases you must place 1 to 9 and A to C, or 1 to 9 and A to G respectively, into each row, column, bold-lined box and marked diagonal. Occasionally puzzlemix will feature a larger Sudoku-X 12x12 or even Sudoku-X 16x16 puzzle. The bold-lined rectangles are 2x3 for 6圆 puzzles, 4x2 for 8x8 puzzles and they are 3x3 for 9x9 puzzles. Sudoku X is a great variant of normal Sudoku and this solver is an extension of my Sudoku Solver to help you discover the logical solutions for this puzzle. The objective is to fill a 9x9 grid with digits so that each column, each row, and each of the nine 3x3 subgrids that compose the grid (also called 'boxes', 'blocks', or 'regions') contains all of the digits from 1 to 9.If you are looking for Free Printable Sudoku Puzzles then visit this site. Usually they are 6圆, 8x8 or 9x9, in which case you must place 1-6, 1-8 or 1-9 once each into every row, column and bold-lined rectangle. Sudoku is a logic-based, combinatorial number-placement puzzle. Sudoku-X puzzles on puzzlemix appear at a wide range of sizes and difficulties. function X sudoku(X) SUDOKU Solve Sudoku using recursive backtracking. If one wants to arrive at a given solution X, pick A, B different from X. If this was a 9x9 puzzle then there'd be one each of 1-9 in each of those regions. Sudoku diagram, 0 or 2 in each cell, such that each value occurs 0 or 2 times in. Notice how not only each row, column and bold-lined rectangle has one each of 1 to 6 in it but also each of the two marked diagonals do too. In order to do this it's often helpful to place small pencilmarks into the grid to keep track of possibilities for a square - you can do this on puzzlemix too. ![]() Sudoku-X is a logic puzzle, so you solve them via small logical steps rather than simple guesswork. When you first start a Sudoku-X puzzle some of the squares are already filled-in, and your task is to fill in the rest. A Sudoku-X puzzle consists of a grid, usually 9x9 but sometimes smaller or larger, where you must place 1 to 9, or 1 to whatever the size of the puzzle is, once each into every row, column, bold-lined rectangle and main diagonal region - these diagonals are always marked to remind you. Choose one of the more than 50 Sudoku solvers via the menu button. For additional information, read our tutorial on solving Kakuro puzzles.
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