1. Click the “Green flag”. Read instructions and click to continue. 2. Enter a Sudoku puzzle in the specified format. 3. Click blank cells to try to solve the puzzle yourself. Enter 0 to make a cell blank again. 4. Click “Solve” anytime and the program will attempt to fill in the remaining blanks.
If you would like to know how I designed this program, please read this tutorial: http://www.abhayjoshi.net/spark/scratch/blog/Sudoku-assistant.pdf Sample input puzzles: 006000050,200007400,080400001,060194200,000708000,009653070,500006030,003500002,040000800, 460100000,820500000,000090500,290300000,010040080,000002096,006020000,000001029,000003075,
