C1111233131211111211113313331333133313331333133313331333132313311221322331   >>    C111123313121111121111331333133313331333133313331333133313231331122132233   <<    C1111233131211111211113313331333133313331333133313331333132313311221322333   >>      C1111233131211111211113313331333133313331333133313331333132313311221322332   >>