C13223313311212111133133313331323133313331323131133133313231333133311211212111   >>    C1322331331121211113313331333132313331333132313113313331323133313331121121211   <<    C13223313311212111133133313331323133313331323131133133313231333133311211212113   >>      C13223313311212111133133313331323133313331323131133133313231333133311211212112   >>