C13223313311212111133133313331323133313331323131133133313231333133311212121121   >>    C1322331331121211113313331333132313331333132313113313331323133313331121212112   <<    C13223313311212111133133313331323133313331323131133133313231333133311212121123   >>      C13223313311212111133133313331323133313331323131133133313231333133311212121122   >>