C132233133112121111331333133313231333133313231133133313121311211   >>    C13223313311212111133133313331323133313331323113313331312131121   <<    C132233133112121111331333133313231333133313231133133313121311213   >>      C132233133112121111331333133313231333133313231133133313121311212   >>