Shear Sheep 3x3

function forwardMove()
    turtle.forward()
end

function backMove()
    turtle.back()
end

function leftMove()
    turtle.turnLeft()
    forwardMove()
end

function rightMove()
    turtle.turnRight()
    forwardMove()
end

function left()
    turtle.turnLeft()
end

function right()
    turtle.turnRight()
end

function shearDown()
    while not(turtle.placeDown()) do
        turtle.placeDown()
        turtle.suckUp()
    end
end

function dropOff()
    turtle.select(2)
    while turtle.getItemCount() > 0 do
        turtle.drop()
    end
    turtle.select(1)
end

function forwardShear()
    forwardMove()
    shearDown()
end

function leftShear()
    leftMove()
    shearDown()
end

function rightShear()
    rightMove()
    shearDown()
end

function startDrop()
    backMove()
    left()
    dropOff()
end

function backToStart()
    leftMove()
    leftMove()
    forwardMove()
    left()
end

function shearThree()
    shearDown()
    forwardShear()
    forwardShear()
    leftMove()
    left()
    forwardShear()
    forwardShear()
    rightMove()
    right()
    forwardShear()
    forwardShear()
    startDrop()
    backToStart()
end

while true do
    shearThree()
    sleep(2)
end