{"generated":"2026-10-19","source":"OpenStreetMap natural=reef / natural=shoal / natural=coastline (coarse warning layer)","licence":"ODbL 1.0","attribution":"© OpenStreetMap contributors, Open Database License (openstreetmap.org/copyright). Derived database: docs/launch/odbl/.","block":{"s":-45,"w":165,"n":-40,"e":170},"res":0.05,"W":100,"H":100,"n":114,"cells":"AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAEAAAAAAAAAAAAAAADwAAAAAAAAAAAAAAAYAAAAAAAAAAAAAAADAAAAAAAAAAAAAAAAYAAAAAAAAAAAAAAAPAAAAAAAAAAAAAAAHwAAAAAAAAAAAAAABwAAAAAAAAAAAAAAAcAAAAAAAAAAAAAAAHAAAAAAAAAAAAAAAAwAAAAAAAAAAAAAAAeAAAAAAAAAAAAAAADgAAAAAAAAAAAAAAP4AAAAAAAAAAAAAAPgAAAAAAAAAAAAAABgAAAAAAAAAAAAAAAEAAAAAAAAAAAAAAABwAAAAAAAAAAAAAAAcAAAAAAAAAAAAAAABgAAAAAAAAAAAAAAAeAAAAAAAAAAAAAAADgAAAAAAAAAAAAAAAYAAAAAAAAAAAAAAADAAAAAAAAAAAAAAAAIAAAAAAAAAAAAAAADgAAAAAAAAAAAAAAA7gAAAAAAAAAAAAAAHGAAAAAAAAAAAAAAB4AAAAAAAAAAAAAAAegAAAAAAAAAAAAAADYAAAAAAAAAAAAAAA9gAAAAAAAAAAAAAAGYAAAAAAAAAAAAAAAxgAAAAAAAA="}