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Rules of 'Diagonal Sudoku'

Place numbers in the grid such that each row, column and 3x3 box contain the numbers 1 to 9. Both the diagonals, too, should contain the numbers 1 to 9.

EXAMPLE:



UNIQUE SOLUTION:


2 comments:

Rohan said...

Diagonal Sudoku just has an added rule to a Classic Sudoku.

Using the diagonals along with the basic sudoku rules, some of the grids can really get challenging.

mars15 said...

This is a real wonderful bimagic square!
************** Bimagic square 9 by 9 ********************

20 32 71 39 78 9 55 13 52

15 54 57 31 70 19 77 8 38

7 37 76 53 56 14 72 21 33

81 3 42 16 46 58 35 65 39

64 22 34 2 41 80 48 60 18

59 17 47 24 36 66 40 79 1

49 61 10 68 26 29 6 45 75

44 74 5 63 12 51 25 28 67

30 69 27 73 4 43 11 50 62

********************* SUDOKU A **************************

2 5 8 3 6 9 1 4 7
6 9 3 4 7 1 5 8 2
7 1 4 8 2 5 9 3 6
9 3 6 7 1 4 8 2 5
1 4 7 2 5 8 3 6 9
5 8 2 6 9 3 4 7 1
4 7 1 5 8 2 6 9 3
8 2 5 9 3 6 7 1 4
3 6 9 1 4 7 2 5 8

********************* SUDOKU B ***************************

3 4 8 5 9 1 7 2 6
2 6 7 4 8 3 9 1 5
1 5 9 6 7 2 8 3 4
9 1 5 2 6 7 4 8 3
8 3 4 1 5 9 6 7 2
7 2 6 3 4 8 5 9 1
6 7 2 8 3 4 1 5 9
5 9 1 7 2 6 3 4 8
4 8 3 9 1 5 2 6 7