数独天下 vs K.O. Nonogram Pro

fill in the digits in the grids, make each rows, each columns and each n-grids filled with digits from 1 to n(4,6,9) Feature: three grid type:4x4 grid,6x6 grid,9x9 grid four difficulties:beginner,simple,medium and hard hint will tell you the resolve details one key notes three skins state saving function allow you continue to play

K.O. Nonogram Pro: 1. Permanent ad-free; 2. Unlimited prompts; 3. Unlock all selected puzzles; 4. Print all puzzles(no watermark in preview); 5. Cloud backup; ------------------------------ Get nonogram answers / solving steps immediately. It supports 5~50 grid nonogram. There is a rich online nonogram store, support print puzzle. --------------- The grid of squares must be either filled in black or marked with X. Beside each row of the grid are listed the lengths of the runs of black squares on that row. Above each column are listed the lengths of the runs of black squares in that column. Go to find all black squares.