pc quarry

while true do
    if redstone.getOutput("front") == true then
        redstone.setOutput("left", true)
        sleep(1)
        redstone.setOutput("left", false)
        while redstone.getInput("left") == true do
            sleep(2)
        end
        redstone.setOutput("back", true)
        sleep(1)
        redstone.setOutput("back", false)
        redstone.setOutput("right", true)
        sleep(1)
        redstone.setOutput("right", false)
    else
        sleep(2)
    end
end