To
solve this Sudoko start with the top center that has 6 of the 9 numbers
given. By following the logic outlined step by step you will be able to
solve them on your own within a short time. Sudoko requires concentration.
Please focus on each diagram carefully.
Cell
D1 is 6. The reason is simple. G3 contains a 6 therefore D3and F3 cant
contain a 6. Remember in Sudoko one of each number per row and column and
square.
Next
Sudoko move. F3 has to be an 8. Since D9 has an 8, D3 can't be 8.
Next
Sudoko Move. The only remaining number to complete this square is 9. This
leaves NO other options.
Next
Sudoko Move is F9=4. Since E2=4 E8 can't be 4 and since H7=4, F7 can't
be 4
The
next Sudoko move is E8=6. Since F4=6 therefore F7 can't be 6.
The
next Sudoko move is F7=7 This is by default since it is the last number
missing in this bottom center cube.
The next Sudoko move is Row 6 is missing 2, 7 and 9
The
next Sudoko move is F6=9. Since B4 = 9 therefore B6 can't = 9. Since D3=9 D6
can't = 9.
The
next Sudoko move is F5 = 2. This is because every column needs to contain
all numbers from 1 to 9. The only number missing in column F is 2.
The
next Sudoko move is E5 = 8. This is because A4 = 8 therefore D4 and E4 can't
be 8. D9 is 8 so D4 D5 and D6 can't be 8.
The
next Sudoko move is E4 = 1. Once again each column needs to contain all
numbers from one to nine. All numbers are already in column E except #1
therefore E4 = 1.
The
next Sudoko move is G5 = 1. Column G needs to contain all numbers 1 through
9.G2 can't be 1 since A2 = 1. G7 can't be 1 since D7 = 1. The only box left is G5.
The
next Sudoko move is I5 = 9.The square is only missing a 5 and a 9.
H4 Can't be 9 since B4 = 9. Therefore I5 must be 9.
The
Center square is missing 4, 5 and 7.The next Sudoko move is D5 = 5. D4 can't be 5 since H4 = 5 and D6 can't be 5 since A6 = 5.
The
next Sudoko move is D6 = 7. D4 can't = 7 since G4 = 7.
The
next Sudoko move is D4 = 4. This is the last number left to complete the
center square and the last number left to complete column D.
Row
5 is missing 4 and 7. The next Sudoko move is A5 = 7. C5 can't = 7 since C1
= 7. 
The
only square left on row 5 is C5. The next Sudoko move is C5 = 4 since that
is the only number missing on Row 5.
The
only square left on row 6 is B6. The next Sudoko move is B6 = 2 since that
is the only number missing on Row 6.
The
only square left on row 4 is C4. The next Sudoko move is C4 = 3 since that
is the only number missing on Row 4. 
In
the square on the bottom right there are currently listed 1, 2, 3, and 4.
Missing are 5, 6, 7, 8 and 9. The next Sudoko move is H8 = 8. G7 and I7
can't = 8 since C7 = 8. H9 and I9 can't equal 8 since D9 = 8.
The
next Sudoko move is G7=9. H9 and I9 can't be 9 since E9 = 9. I7 can't be 9
since I5 = 9.
The
next Sudoko move is I7 = 5. H9 and I9 can't = 5 since C9 = 5.
The
next Sudoko move is I9 = 6. H9 can't = 6 since H6 = 6.
The
next Sudoko move is H9 = 7. This is the last square remaining and the only
number missing from 1 - 9.
The
next Sudoko move is G2 = 5. Column G has only 1 square left and 5 is the
only number missing therefore G2 = 5.
Row
7 has 2 numbers missing a 3 and a 6. The next Sudoko move is A7 = 6. B7
can't = 6 since B5 = 6.
Row
7 has only one number missing a 3. The next Sudoko move is B7 = 3.
Column
C is missing 2 numbers, 2 and 9. The next Sudoko move is C3 = 2. C8 Can't =
2 since G8 = 2.
Column
C has only one number left 9. The next Sudoko move is C8 = 9.
Row
3 has two number left to complete the row. They are 1 and 3. The next Sudoko
move is H3 = 1. a 3 can't = 1 since A2 = 1.
Row
3 has only one number missing and that's a 3. The next Sudoko move is A3 =
3.
The
next Sudoko move is H1 = 2. I1, I2 and H2 can't equal 2 since D2 = 2 and I4
= 2.
The
next Sudoko move is I1 = 3. H2 and I2 can't = 3 since F2 = 3.
Column
H is only missing one number, a 7. The next Sudoko move is I2 = 7.
Column
H is only missing one number, an 9. The next Sudoko move is H2 = 9.
Row
2 is missing only one number an 8. The next Sudoko move is B2 = 8.
Row
1 is missing a 4 and a 9. Since B4=9, B1 can't be 9. The next Sudoko move is
B1 = 4.
The
only number missing on row 1 is a 9. The next Sudoko move is A1 = 9
Row
8 is missing a 7 and a 4. Since A5 = 7, A8 can't be 7. The next Sudoko move
is B8 = 7.
Row
8 is missing only one number, a 4. The next Sudoko move is A8 = 4.
Row
9 is missing 2 numbers, a 1 and 2. Since A2 = 1 A9 an't be 1. The next
Sudoko move is B9 = 1.
The
only number missing in Row 9 or column A is 2. The next Sudoko move is A9 =
2.
Congratulations!You just solved your first Sudoko puzzle.