turtle.turnLeft

turtle.select(2)
function checkblocks()
    if turtle.getItemCount()<7 then
        turtle.select(turtle.getSelectedSlot()+1)
    end
end
function sides()
    checkblocks()
    turtle.turnLeft()
    turtle.forward()
    turtle.placeUp()
    turtle.placeDown()
    turtle.back()
    turtle.place()
    turtle.turnRight()
    turtle.turnRight()
    turtle.forward()
    turtle.placeUp()
    turtle.placeDown()
    turtle.back()
    turtle.place()
    turtle.turnLeft()
end
while true do
    turtle.placeUp()
    turtle.placeDown()
    sides()
    turtle.back()
    turtle.place()
   
    turtle.placeUp()
    turtle.placeDown()
    sides()
    turtle.back()
   
    turtle.placeUp()
    turtle.placeDown()
    sides()
    turtle.back()
    turtle.place()
   
    turtle.back()
end