C13223313311212111133133313331333133313123223313231333133313231312321211   >>    C1322331331121211113313331333133313331312322331323133313331323131232121   <<    C13223313311212111133133313331333133313123223313231333133313231312321213   >>      C13223313311212111133133313331333133313123223313231333133313231312321212   >>