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Even Corners and Equal Subgrids (
Posted on 20090818
)
Each of the capital letters in bold in this 3x3 grid is to be substituted by a different digit from 1 to 9 such that :
Each of
A
,
C
,
G
and
I
is even, and:
The sum of the digits in each of the four 2x2 subgrids is equal.
A
B
C
D
E
F
G
H
I
Disregarding the rotations and reflections, how many distinct solutions are there?
See The Solution
Submitted by
K Sengupta
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Comments: (
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)
re(2): computer solution
 Comment 4 of 5 
(In reply to
re: computer solution
by Jer)
Daniel's list also included
2 9 4
3 7 1
6 5 8
Posted by
Charlie
on 20090818 16:33:30
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