{"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":40,"w":125,"n":45,"e":130},"res":0.05,"W":100,"H":100,"n":105,"cells":"AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAABAAAAAAAAAAAAAAAAEAAAAAAAAAAAAAAABwAAAAAAAAAAAAAAAHAAAAAAAAAAAAAAAAQAAAAAAAAAAAAAAAHAAAAAAAAAAAAAAAAwAAAAAAAAAAAAAAAGAAAAAAAAAAAAAAAAQAAAAAAAAAAAAAAADAAAAAAAAAAAAAAAAMAAAAAAAAAAAAAAAAwAAAAAAAAAAAAAAABwAAAAAAAAAAAAAAABgAAAAAAAAAAAAAAAEAAAAAAAAAAAAAAAAwAAAAAAAAAAAAAAACAAAAAAAAAAAAAAAAIAAAAAAAAAAAAAAAAgAAAAAAAAAAAAAAACAAAAAAAAAAAAAAAAIAAAAAAAAAAAAAAAAwAAAAAAAAAAAAAAADAAAAAAAAAAAAAAAAIAAAAAAAAAAAAAAAPgAAAAAAAAAAAAAAHgAAAAAAAAAAAAAADyAAAAAAAAAAAAAAAeAAAAAAAAAAAAAAABAwAAAAAAAAAAAAAAEAAAAAAAAAAAAAAAAwAAAAAAAAAAAAAAAeAAAAAAAAAAAAAAADAAAAAAAAAAAAAAAB4AAAAAAAAAAAAAAA8AAAAAAAAAAAAAAADAAAAAAAAAAAAAAAAMAAAAAAAAAAAAAAADwAAAAAAAAAAAAAAB4AAAAAAAAAAAAAAY8AAAAAAAAAAAAAAB/gAAAAA="}