rcentercentercentercentercentercenterce
ntercentercentercentercen
tercenterc
entercentercentercentercentercentercenter
centercentercentercentercenterc
entercentercentercentercentercentercenter
centercentercentercentercentercentercentercentercentercentercentercentercenter
centercentercentercentercentercentercentercentercentercentercenter
centercentercentercentercentercentercentercentercentercentercentercentercenter
centercentercentercentercentercentercentercenter

0