bohr

a = 64

function Bohr()
while a > 0 do
  turtle.digDown()
  turtle.down()
  turtle.dig()
  turtle.turnRight()
  turtle.dig()
  turtle.turnRight()
  turtle.dig()
  turtle.turnRight()
  turtle.dig()
a = a-1

end
end

b = 64
function Hoch()
while b > 0 do

turtle.up()

b = b-1
end
end

Bohr()
Hoch()