Wells

while true do
if rs.getInput("back", true) then
turtle.turnRight()
turtle.select(1)
turtle.place()
turtle.turnLeft()
rs.setOutput("front", true)
sleep(1)
rs.setOutput("front", false)
sleep(5)
end
if rs.getInput("front", true) then
turtle.turnRight()
turtle.select(1)
turtle.dig()
sleep(1)
turtle.turnLeft()
rs.setOutput("back", true)
sleep(1)
rs.setOutput("back", false)
sleep(5)
end
end