C132233133112121111331333133313331323331333133313231333211331122212311   >>    C13223313311212111133133313331333132333133313331323133321133112221231   <<    C132233133112121111331333133313331323331333133313231333211331122212313   >>      C132233133112121111331333133313331323331333133313231333211331122212312   >>