C111123313331323113313331333133313331323132333133313331322223313223313332111111   >>    C11112331333132311331333133313331333132313233313331333132222331322331333211111   <<    C111123313331323113313331333133313331323132333133313331322223313223313332111113   >>      C111123313331323113313331333133313331323132333133313331322223313223313332111112   >>