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Sudoku (also known as Number Place) is a placement puzzle.
The puzzle is most frequently a 9 x 9 grid made up of 3 x 3 subgrids (called regions).
Some cells already contain numbers, known as givens.
The goal is to fill in the empty cells, one number in each, so that each column, row, and region contains the numbers 1 through 9 exactly once.
Each number in the solution therefore occurs only once in each of three directions, hence the single numbers implied by the puzzles name.
In Consecutive Sudoku (1-away Disallowed Number Place), all the places where orthogonally adjacent cells are consecutive numbers have been specially marked.
Consecutive Sudoku Jigsaw are very similar to regular Consecutive Sudoku puzzles. Regular 9x9 Consecutive Sudoku that row and column rules apply, but instead of a 3x3 grid they are nine Jigsaw shapes.