// Pascal ABC. NET
var
i, j: Integer;
fOut: text;
begin
Assign(fOut, 'input. txt');
ReWrite(fOut);
for i := 1 to 5 do begin
for j := 1 to (5-i) do
Write(fOut, ' ');
for j := 1 to 1 + 2*(i-1) do
Write(fOut, i);
for j := 1 to (5-i) do
Write(fOut, ' ');
WriteLn(fOut);
end;
Close(fOut);
end.