function mydig()
	if turtle.detect() then
		turtle.dig()
	end
end


for z=0,5 do
  for x=0,5 do
    dirx=0
    for y=0,5 do
	  mydig()
	  turtle.forward()
	end
	if (x < 4) then
	  if (dirx == 0) then
	    turtle.turnRight()
	    mydig()
	    turtle.forward()
	    turtle.turnRight()
	    dirx=1
	  else
	    turtle.turnLeft()
	    mydig()
	    turtle.forward()
	    turtle.turnLeft()
	    dirx=0
	  end
	end
  end
  turtle.turnRight()
  turtle.turnRight()
  turtle.digDown()
  turtle.down()
end