-- 1 - red
-- 2 - orange
-- 3 - yellow
-- 4 - green
-- 5 - light blue
-- 6 - blue
-- 7 - purple

art = {7, 7, 6, 1, 1, 4, 5, 5, 2, 2, 2, 3, 1, 6, 3, 3, 4, 5, 6, 7, 1, 2, 3, 4, 2, 1}
for a = 1,#art do
    turtle.select(art[a])
    turtle.placeDown()
    turtle.forward()
end
turtle.turnRight()
turtle.forward()
turtle.turnLeft()
for a = 1,#art do
  turtle.back()
end