grind

function step()
  turtle.dig()
  turtle.forward()
  for i=1, 12 do
    turtle.digUp()
    turtle.Up()
    end
  for p=1, 12 do
    turtle.down()
    end
end

function ret()
  turtle.turnLeft()
  for n=1, 41 do
  turtle.forward()
  end

  turtle.turnRight()
  for f=1, 10 do
  turtle.forward()
  end
end


for m=1, 41 do

  for o=1, 10 do
    step()
    end

  for g=1, 10 do
    turtle.back()
    end

  turtle.turnRight()
  turtle.dig()
  turtle.forward()
  turtle.turnLeft()

end

ret()