n computer-generated Sudoku.විවිධ වර්ග[සංස්කරණය]A nonomino Sudoku puzzle, sometimes also known as a Jigsaw Sudoku, for instance in the Sunday TelegraphSolution numbers in red for above puzzleAlthough the 9×9 grid with 3×3 regions is by far the most common, variations abound.  Sample puzzles can be 4×4 grids with 2×2 regions; 5×5 grids with pentomino regions have been published under the name Logi-5; the World Puzzle Championship has featured a 6×6 grid with 2×3 regions and a 7×7 grid with six heptomino regions and a disjoint region. Larger grids are also possible. The Times offers a 12×12-grid Dodeka sudoku with 12 regions of 4×3 squares. Dell regularly publishes 16×16 Number Place Challenger puzzles (the 16×16 variant often uses 1 through G rather than the 0 through F used in hexadecimal). Nikoli offers 25×25 Sudoku the Giant behemoths. Another common variant is to add restrictions on the placement of numbers beyond the usual row, column, and region requirements.  Often the rest