test

function down(times)
  for i = 1, times, 1 do
    turtle.down()
  end
end

function up(times)
  for i = 1, times, 1 do
    turtle.up()
  end
end

function place(slot)
  turtle.select(slot)
  turtle.place()
end

down(7)
place(1)
up(1)

turtle.forward()
turtle.turnLeft()
place(1)
turtle.turnRight()
turtle.turnRight()
place(1)
turtle.turnLeft()
turtle.back()
place(1)
up(1)
turtle.forward()
turtle.turnLeft()
place(2)
turtle.turnRight()
turtle.turnRight()
place(2)
turtle.turnLeft()
turtle.back()
place(2)
up(5)