Crosscheck · Puzzle #280
Find the four groups.
Sixteen tiles, four hidden groups of four: carriers, hubs, codes, callouts. 4 mistakes allowed. New puzzle daily at 00:00 UTC.
Mistakes: ○ ○ ○ ○
Sixteen tiles, four hidden groups of four: carriers, hubs, codes, callouts. 4 mistakes allowed. New puzzle daily at 00:00 UTC.