Where is the sand generator in the computer game castaway?

(The turns are quarter turns.)First, go to the easy-to-find second area. Now, go straight down for sevaral steps, then make a right. Go right until you reach the other edge of the island. Turn right go two steps, then turn left make two steps. Now you're at another area. Straight for 7 steps, right 5, right 4, right 4, left 7. New area! 15 steps straight, 6 right. Another new area! Straight 6, left 16, right 17, 12 right, left 2.