fillMax

function fyll()
  turtle.select(16)
  turtle.placeUp()
  turtle.select(1)
  turtle.suckUp()
  turtle.select(16)
  turtle.digUp()
  turtle.select(1)
end
turtle.select(1)
turtle.forward()
while turtle.detectDown() == false do
  while turtle.detectDown() == false do
    if turtle.placeDown() == false then
      fyll()
    end
  end
  turtle.forward()
end