[NumLock]

Код:

unit Unit1;

interface

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

type
  TMatrix = array [0..2, 0..2] of Byte;

  TForm1 = class(TForm)
    procedure FormCreate(Sender: TObject);
  private
    { Private declarations }
  public
    { Public declarations }
  end;

var
  Form1: TForm1;
  arr_matrix: array of TMatrix;

implementation

{$R *.dfm}

procedure TForm1.FormCreate(Sender: TObject);
begin
 SetLength(arr_matrix, 20); // 20, 30, или 1000
 // матрица 0
 arr_matrix[0][0][0]:=000;
 arr_matrix[0][1][1]:=011;
 // матрица 1
 arr_matrix[1][0][0]:=100;
 arr_matrix[1][1][1]:=111;
 // матрица 2
 arr_matrix[2][0][0]:=200;
 arr_matrix[2][1][1]:=211;
end;

end.