C13223313311212111133133313331333133313123223313231333133313231312231231   >>    C1322331331121211113313331333133313331312322331323133313331323131223123   <<    C13223313311212111133133313331333133313123223313231333133313231312231233   >>      C13223313311212111133133313331333133313123223313231333133313231312231232   >>