LINES!

A long time ago, in a time when computers did not know Windows, there was this popular in real time of the game. It is, of course, about the game lines (English Lines), as this game sometimes name. The rules are not more complicated than Tetris. The playing field consists of cells in which balls lie. You need to rearrange the balls of the same color in lines of 5 or more horizontally, vertically or diagonally. At the beginning of the balls is small, but during the game their numbers are increasing, namely if You move the ball or line of balls in this case will not be finished (not removed), then the field will be even a few balls.