C13332313311211113313331333133313331322333133313331333133313231322331123311   >>    C1333231331121111331333133313331333132233313331333133313331323132233112331   <<    C13332313311211113313331333133313331322333133313331333133313231322331123313   >>      C13332313311211113313331333133313331322333133313331333133313231322331123312   >>