I got to this state of the daily killer sudoku rather quickly, but I've been stuck on this state for an hour now. What am I missing? How do I proceed? :
INOUT architettura · Nuovo Bookshop per il Palazzo dei Diamanti · Divisare
10-in-9 killer sudoku #3 — Rätselportal — Logic Masters Deutschland
Tough Killer Sudoku, Volume 2, Book 11 - KrazyDad
Super Killer Sudoku
Killer Sudoku 1.3.2 - Download für Android APK Kostenlos
Sudoku #1 More Insane Sudoku Puzzles by KrazyDad, Book 58
KrazyDad
Tough Killer Sudoku, Volume 2, Book 11 - KrazyDad
Killer Sudoku — Rätselportal — Logic Masters Deutschland