C13223313311212111133133313331323133313331323131133133313113132121   >>    C1322331331121211113313331333132313331333132313113313331311313212   <<    C13223313311212111133133313331323133313331323131133133313113132123   >>      C13223313311212111133133313331323133313331323131133133313113132122   >>