C13223313311212111133133313331333132313231323331333133313112112331333123331   >>    C1322331331121211113313331333133313231323132333133313331311211233133312333   <<    C13223313311212111133133313331333132313231323331333133313112112331333123333   >>      C13223313311212111133133313331333132313231323331333133313112112331333123332   >>