View difference between Paste ID: 0Ni4wQc5 and mxCSg0sC

 -- 1 - red
-   turtle.select(i)
+-- 2 - orange
 -- 3 - yellow
 -- 4 - green
 -- 5 - light blue
 -- 6 - blue
 -- 7 - purple
 
 art = {6, 6, 4, 4, 1, 1, 1, 6}
 
 for i = 1,7 do
    slot = art[i]
    turtle.select(slot)
    turtle.placeDown()
    turtle.forward()
 end