Don't repeat number-more mode,more fun

A unique sudoku game, 5 kinds of grids, 3 kinds of difficulty, let you addiction to it!
The rules of the game is very simple, there have been several numbers in grid, the other is left blank, you should be according to the logic required to hammer out what number is in the rest of the grid, so that each row and each column has number of 1-9, and also each small grid has. But there is a place to pay attention to note, that is a number in each row, each column and every small scratchable latex can only appear once.
Come exercise your brain now!