I believe that the top right grid of the shading example is non unique (you can either take the given solution and add a shaded cell on R3C3 or have a more snake-y solution that includes R1C4 shaded)
Thanks for pointint this out. We will fix this in the final iteration.
@ 2026-10-06 6:50 AM (#42072 - in reply to #42066) (#42072) Top
