cobblecompress

while true do
    for i=1,3 do
        turtle.select(i)
        turtle.suck()
    end

    for i=5,7 do
        turtle.select(i)
        turtle.suck()
    end

    for i=9,11 do
        turtle.select(i)
        turtle.suck()
    end

    turtle.select(16)
    turtle.craft()
    turtle.turnLeft()
    turtle.drop()
    turtle.turnRight()
end