stuff

function dropItems()
  for i = 1, 8 do
    rs.setOutput("back", true)
    sleep(0.5)
    rs.setOutput("back", false)
    sleep(0.5)
  end
end

function breakBlocks()
  rs.setOutput("left", true)
  sleep(0.2)
  rs.setOutput("left", false)
end

dropItems()
sleep(85)
breakBlocks()
sleep(10)
dropItems()
sleep(85)
breakBlocks()
sleep(10)
dropItems()
sleep(85)
breakItems()