Animal Pens

for i=1, 1 do

turtle.select(1)
turtle.refuel(1)

turtle.up()
turtle.select(2)

for j=1, 4 do
turtle.placeDown()
turtle.forward()
turtle.placeDown()
turtle.forward()
turtle.placeDown()
turtle.forward()
turtle.placeDown()
turtle.forward()
turtle.placeDown()
turtle.forward()
turtle.turnRight()
end

turtle.forward()
turtle.forward()
turtle.turnRight()
turtle.forward()
turtle.forward()

turtle.select(3)

for j=1, 64 do
turtle.placeDown()
end

end