12×12 Sudoku: Rules, Symbols and How to Play Giant Sudoku
Plus 12×12 sudoku — sometimes called giant sudoku — takes the classic puzzle and stretches it across 144 cells. The logic is identical to standard sudoku, but with twelve symbols instead…
12×12 sudoku
12 x 12 Sudoku: How to Play the 12×12 Grid
12 x 12 Sudoku is a giant Sudoku variant played on a 12×12 grid with 144 cells instead of the usual 81. It uses the digits 1–9 plus the letters…