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How to solve Videos Forum Timed Rankings Print 15 Apr 2014
Easy:
4×4
6×6
Sudoku
Medium:
4×4
6×6
8×8
Sudoku
Difficult:
4×4
6×6
8×8
9×9
Killer
Extra
9 × 9 User Puzzle, Rating: ★★★★      Solved 131 times
This is a User Created Puzzle, today created by: bertoldo
Description: The 9x9 Plus and Minus Twin Puzzle!  Points: 7
Calcudoku twin  -  these two puzzles have the same solution

abcdefghi
1 
10+
10+
15+

3
4
21+
12+
13+
2 



10+





3 
7
16+



14+
10+


4 
10+

11+




10+
8
5 
10+
23+
1
13+
5
13+


10+
6 





9+
10+
15+

7 
9+

16+






8 
10+

17+
16+

2
10+
9+

9 

6


8+



9
abcdefghi
1 
0-


0-
3
4
0-

1-
2 
0-




3-

4-

3 
7


0-
1-

1-


4 
2-







8
5 

0-
1
0-
5
1-
0-

0-
6 
3-



4-

1-


7 


0-




0-

8 
2-


2-

2
0-


9 

6
3-

6-



9
total
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