Puzzle #5: Two-Doku
Posted February 13, 2006 • #sudoku
A sudoku puzzle where each of the 4 squares in each row and column contains two digits instead of one.
Comments
David Millar • 11/29/15 11:32 pm
Try the newer content for more of a challenge. :)
Anonymous Puzzler • 04/21/22 11:32 pm
There is already a puzzle called Twodoku
David Millar • 04/22/22 2:44 pm
Looks like the puzzles coming up in searched for Twodoku were devised over nine years after this one was published, and seem to be closer to what other puzzlers would refer to as samurai sudoku or overlapping sudoku.
theonetruepath • 11/12/15 11:10 pm
A few seconds per puzzle, can be solved as quickly as you can write