Эту программу мы писали в институте, когда изучали StringGrid в Delphi.

unit adminadmin.ru;

interface

uses
Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms,
Dialogs, StdCtrls, Grids;

type
TForm1 = class(TForm)
Button1: TButton;
StringGrid1: TStringGrid;
Button2: TButton;
StringGrid2: TStringGrid;
procedure Button1Click(Sender: TObject);
procedure Button2Click(Sender: TObject);
private
{ Private declarations }
public
{ Public declarations }
end;

var
Form1: TForm1;
i,j:integer;
implementation

{$R *.dfm}

procedure TForm1.Button1Click(Sender: TObject);
begin
randomize;
for i:=0 to 4 do
for j:=0 to 3 do
StringGrid1.Cells[j,i]:=inttostr(round(random(10)));
end;

procedure TForm1.Button2Click(Sender: TObject);
begin
for i:=0 to 4 do
for j:=0 to 3 do
StringGrid2.Cells[j,i]:=StringGrid1.Cells[3-j,i];
end;