Image to RLE
Black or white on cells only:
Copy the image to the clipboard
Paste the image below
Set border width, grid line width and cell size (in pixels)
Click the Display RLE button
If the pattern in the viewer does not match the image, adjust
the settings and click Display RLE again. Repeat as needed.
paste image here
grid line width:
Copy to Clipboard
x = 1, y = 1, rule = B2/S23 b!