140       for ($y=1;$y<count($cells)+1;$y=$y+1)  variable
142         for ($x=0;$x<count($cells[$y]);$x=$x+1)  variable
152       for ($y=1;$y<count($cells)+1;$y=$y+1)  variable
153         for ($x=0;$x<count($cells[$y]);$x=$x+1)  variable
157       for ($y=1;$y<count($cells);$y=$y+1)  variable
159         for ($x=0;$x<count($cells[$y]);$x=$x+1)  variable
171       for ($y=1;$y<count($cells)+1;$y=$y+1)  variable
172         for ($x=0;$x<count($cells[$y]);$x=$x+1)  variable
176       for ($y=1;$y<count($cells)+1;$y=$y+1)  variable
178         for ($x=0;$x<count($cells[$y]);$x=$x+1)  variable
195       for ($y=1;$y<count($cells)+1;$y=$y+1)  variable
198         for ($x=0;$x<count($cells[$y]);$x=$x+1)  variable