perplexus.info :: Logic : 4x4 Sudoku

4x4 Sudoku (Posted on 2007-03-19)

A 4x4 sudoku puzzle has 4 rows, 4 columns and 4 2x2 square regions, one in each corner. Can you create a 4x4 sudoku puzzle with only 4 clues given?

The most common sudoku variant is X-sudoku where the two main diagonals are two extra regions. Can you create a 4x4 X-sudoku puzzle with only 3 clues given?

Submitted by Brian Smith

Rating: 3.5000 (2 votes)

Solution: (Hide)

4x4 sudoku 4x4 X-sudoku solution (both) 1 : | : 1 : | : 1 : 2 | 3 : 4 ---+---+---+--- ---+---+---+--- ---+---+---+--- : | 2 : : | 2 : 4 : 3 | 2 : 1 ===+===+===+=== ===+===+===+=== ===+===+===+=== : | 4 : : | : 2 : 1 | 4 : 3 ---+---+---+--- ---+---+---+--- ---+---+---+--- 3 : | : 3 : | : 3 : 4 | 1 : 2

Comments: ( You must be logged in to post comments.)

Subject	Author	Date
???	Fox	2007-03-26 10:04:25
Spoiler	John Duckworth	2007-03-22 18:48:38
Solution to First Question	Dej Mar	2007-03-19 22:51:52
Unless I'm mistaken	Justin	2007-03-19 22:33:04
Second question	Old Original Oskar!	2007-03-19 15:02:05

Please log in:

Login:
Password:
Remember me:

Sign up! \| Forgot password

Search:

Search body:

Forums (0)
Newest Problems
Random Problem
FAQ | About This Site
Site Statistics
New Comments (3)
Unsolved Problems
Top Rated Problems
This month's top
Most Commented On

Chatterbox:


perplexus dot info