Farmer's Problem

The farmer raised a lot of livestock, he needs an assistant to help him catch these animals back to farm,can you help him?Click the two neighboring pattern to make the exchange, if three or more of the same pattern can make a line you can remove this Photo case, will get more points and time. In addition, if the elimination of a bomb or arrow pattern is then able to obtain the appropriate props. Bombs can be eliminated within a rectangular area of all images, arrows, you can remove a row or column all the patterns.