
uses Robot;
procedure Row;
begin
while FreeFromRight do
begin Paint; Right; end;
Paint;
Down; while freeFromLeft do left;
end;
begin
field(17,17);
while FreeFromLeft do Left;
while FreeFromUp do Up;
while FreeFromDown do Begin Row; Down; end;
while FreeFromRight do Begin Paint; Right; end;
Paint;
end.