• Draw a line from the top left cornner to the bottem right cornner
• Draw a line from the top right cornner to the bottem left cornner
• draw a line from left to right across the intersecting points
• when i say between put the line the ratio of postion should be 50/50 top from bottem
• draw a line from left to right between the top of the screen and the middle line
• draw a line from left to right between the bottem of the screen and the middle line