C13223313311212111133133313331323133313331323131133133313133232331   >>    C1322331331121211113313331333132313331333132313113313331313323233   <<    C13223313311212111133133313331323133313331323131133133313133232333   >>      C13223313311212111133133313331323133313331323131133133313133232332   >>