Sudoku

Puzzle Sudoku is a numerical puzzle consisting of a field filled with nine columns and nine lines with numbers. In each horizontal, vertical and small block size 3x3 there are numbers from 1 to 9. The numbers in these blocks can not be repeated. Your task: having the initial version with prompts arrange the numbers in the correct order. Features: * Presence of color method of solution * uniqueness of each option: automatic generation of Sudoku, no pre-formed templates! * solution module * 3 difficulty levels * Save the game when you close the application * works without network connection