C132233133112121111331333133313231333133313231133133313113121211   >>    C13223313311212111133133313331323133313331323113313331311312121   <<    C132233133112121111331333133313231333133313231133133313113121213   >>      C132233133112121111331333133313231333133313231133133313113121212   >>