C13223313311212111133133313331333133313123223313231333133313112211331111   >>    C1322331331121211113313331333133313331312322331323133313331311221133111   <<    C13223313311212111133133313331333133313123223313231333133313112211331113   >>      C13223313311212111133133313331333133313123223313231333133313112211331112   >>