{"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":80,"w":-25,"n":85,"e":-20},"res":0.05,"W":100,"H":100,"n":667,"cells":"AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA+AAAAAAAAAAAAAAAOP4AAAAAAAAAAAAAAADwAAAAAAAAAAAAAAAHwAAAAAAAAAAAAAAAAwAAAAAAAAAAAAAAAfAAAAAAAAAAAAAAAPAf//+AAAAAAAAAB/gfAfHj/wAAAAAAAD/+AAAHP5/AAAAAAD+AAAAAPgAP///gAAAAAAAAAAAAAAAD/AAAAAAAAAAAAAAAAH8AAAAAAAAAAAAAAAAfwAAAAAAAAAAAAAAABAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAfwAAAAAAAAAAAAA//AAAAAAAAAAAAAA+AAAAAAAAAAAAAAAPgAAAAAAAAAAAAAH/gAAAAAAAAP/////wAAAAAAAAD/AAAAAAAAAAAMAf/4AAAAAAAAAAAAf/AAAAAAAAAAAAAAAAAAAAAAAAAAPgAAAP4AAAAf/////DgAAAA8AAADAAAAAADgAAABAAAAIAAAAAADAAAAGAAABgAAAAAAGAAAAIAAAGAAAAAAAQAAAPgADwYAAAAAABgAAPgAA//AAAAAAAEAAAAAf+AQAAAAAAAwAAEf+AAAAAAAAAAGAAAPAAAAAAAAAAABgAABAAAAAAAAAAAAMAAAYAAAAAAAAAAABgAADwAAAAAAAAAAA8AAPwAAAAAAAAAAAOAAHgAAAAAAAAAAAHgAAwAAAAAAAAAAH/gAD+AAAAAAAAAAAPgAA4AAAAAAAAAAADAAH8AAAAAAAAAAAD4APgAAAAAAAAAAAA4AfgAAAAAAAAAAAB8A3AAAAAAAAAAAAD8AfwAAAAAAAAAAAB43/AAAAAAAAAAAAAOHwAAAAAAAAAAAAAAccAAAAAAAAAAAAAAHfAAAAAAAAAAAAAD/xwAAAAAAAAAAAAAf34AAAAAAAAAAAAAH/gAAAAAAAAAAAAAA/AAAAAAAAAD//wAAAAAAAAAAAAAH//AAAAAAAAAAAAAAAHgAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAADgwAAAAAAAAAAAAAAP/AAAAAAAAAAAAAAAB8="}