Finally! I've just now beaten PICROSS e7 (3DS)! Once again this took longer thsn expected. Unless I find an economical way to play e9, then I'll be wrapping up the e-series with
Picross 3D Round 2 Puzzle Brain Teaser Game Over 300 Puzzles Nintendo 3DS New 45496474355 | eBay
Picross E Review | Eurogamer.net
Pokémon Picross Review (3DS eShop) | Nintendo Life