block_count = 1

function block_select()
    if block_count == 550 then
        block_count = 1
        for i=1,5 do turtle.up() end
        sleep(60)
        for i=1,5 do turtle.down() end
    end
end

x = 24

function place_in_row()
    for i=1,x do
        turtle.placeDown()
        sleep(0.075)
        turtle.forward()
        block_count = block_count + 1
    end
    turtle.placeDown()
    block_count = block_count + 1
end

function go_back()
    turtle.placeDown()
    block_count = block_count + 1
    for i=1,x do
        turtle.placeDown()
        sleep(0.075)
        turtle.back()
        block_count = block_count + 1
    end
    turtle.placeDown()
    block_count = block_count + 1
end

for i=1,1 do
    place_in_row()
    turtle.up()
    go_back()
    turtle.turnRight()
    turtle.forward()
    turtle.turnLeft()
    turtle.down()
end