Only Four Color

The filled color is a puzzle game. The games have a color box, now you need to fill in that box inside color.A total of four colors for you to choose, the key to the game is to not let the two adjacent grid there are the same colors, and no matter which grid box a few cells within its borders can not exist with its colorthe lattice. Try it! Very challenging oh!
To fill in each grid different colors and two adjacent lattice can not be the same color Oh!