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Cod sursa(job #610222)
var n,i,j,c:integer;
f,g:text;
a:array[1..256,1..56] of integer;
begin
assign(f,'lacate.in');reset(f);
assign(g,'lacate.out');rewrite(g);
read(f,n);
writeln(g,n*(n-1) div 2,' ',n-1);
c:=0;
for i:=1 to n-1 do
for j:=i to n-1 do
begin
inc(c);
a[i,j]:=c;
end;
c:=0;
for i:=1 to n do
for j:=i+1 to n do
begin
inc(c);
a[j,i]:=c;
end;
for i:=1 to n do
begin
for j:=1 to n-1 do
write(g,a[i,j],' ');
writeln(g);
end;
close(f);
close(g);
end.