World Border issues

[vale rover]

I downloaded the 1:1500 map and im using dynmap plugin. i want to set my world border to 24576 x 12288 but I cant, any suggestions?

[burnt horizon]

https://evanthebearge.gitbook.io/minecraft-earth-map/minecraft-earth-map/map-borders#all-map-borders-setcorners-can-be-found-on-the-far-right-side-of-the-spreadsheet-from-where-you-down

1. Download Chunky
2. Download ChunkyBorder