C13223313311212111133133313331323133313331323131133133313331133133121   >>    C1322331331121211113313331333132313331333132313113313331333113313312   <<    C13223313311212111133133313331323133313331323131133133313331133133123   >>      C13223313311212111133133313331323133313331323131133133313331133133122   >>