Ocean limits: -20..20 Reefs: (-5,3) (0,-10) (-10,1) (1,3) (6,0) (-2,-6) (-6,-9) (10,1) (-5,7) (3,6) (7,9) Segments: [S 3] [E 8] [S 5] [W 5] [N 5] [W 10] Collision with reef 5 at (-2, -6)