Step 0 Starting puzzle |
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Step 1 The number 5 does not yet appear in row B. Due to other 5s on the grid, the only place it can go is cell B5.
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Step 2 The number 1 does not yet appear in column 3. Due to other 1s on the grid, the only place it can go is cell F3.
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Step 3 The number 8 does not yet appear in column 7. Due to other 8s on the grid, the only place it can go is cell H7.
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Step 4 The number 6 is missing from box D1-F3 and its only possible position is cell E2.
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Step 5 The number 4 is missing from row E and its only possible position is cell E5.
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Step 6 E8 is the last empty cell in row E and the missing number is 3.
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Step 7 The number 3 is missing from column 7 and its only possible position is cell B7.
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Step 8 Because of the number 3 just placed, the only position in row C for another 3 is cell C2.
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Step 9 The number 7 does not yet appear in column 7. Due to other 7s on the grid, the only place it can go is cell A7.
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Step 10 The number 7 is missing from column 2 and its only possible position is cell B2.
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Step 11 Cell D4 can only contain the number 8 since all other numbers are somewhere in its row, column or box.
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Step 12 Cell A5 can only contain the number 1 since all other numbers are somewhere in its row, column or box.
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Step 13 Because of the number 1 just placed, the only position in row B for another 1 is cell B9.
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Step 14 The number 1 does not yet appear in row D. Due to other 1s on the grid, the only place it can go is cell D7.
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Step 15 G7 is the last empty cell in column 7 and the missing number is 2.
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1 |
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Step 16 Because of the number 2 just placed, the only position in column 9 for another 2 is cell D9.
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Step 17 The number 9 is missing from box A7-C9 and its only possible position is cell A9.
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Step 18 Because of the number 9 just placed, the only position in row B for another 9 is cell B1.
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Step 19 C8 is the last empty cell in box A7-C9 and the missing number is 6.
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B |
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1 |
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Step 20 Because of the number 6 just placed, the only position in column 9 for another 6 is cell F9.
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B |
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1 |
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3 |
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F |
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Step 21 F8 is the last empty cell in box D7-F9 and the missing number is 5.
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1 |
2 |
3 |
4 |
5 |
6 |
7 |
8 |
9 |
A |
|
|
5 |
3 |
1 |
|
7 |
8 |
9 |
B |
9 |
7 |
|
|
5 |
|
3 |
2 |
1 |
C |
1 |
3 |
|
|
9 |
|
5 |
6 |
4 |
D |
|
|
9 |
8 |
6 |
|
1 |
7 |
2 |
E |
7 |
6 |
2 |
5 |
4 |
1 |
9 |
3 |
8 |
F |
|
8 |
1 |
|
2 |
|
4 |
5 |
6 |
G |
6 |
|
3 |
|
8 |
|
2 |
|
7 |
H |
|
9 |
|
|
|
|
8 |
|
|
I |
|
1 |
|
|
|
5 |
6 |
|
|
|
Step 22 Because of the number 5 just placed, the only position in column 9 for another 5 is cell H9.
|
|
1 |
2 |
3 |
4 |
5 |
6 |
7 |
8 |
9 |
A |
|
|
5 |
3 |
1 |
|
7 |
8 |
9 |
B |
9 |
7 |
|
|
5 |
|
3 |
2 |
1 |
C |
1 |
3 |
|
|
9 |
|
5 |
6 |
4 |
D |
|
|
9 |
8 |
6 |
|
1 |
7 |
2 |
E |
7 |
6 |
2 |
5 |
4 |
1 |
9 |
3 |
8 |
F |
|
8 |
1 |
|
2 |
|
4 |
5 |
6 |
G |
6 |
|
3 |
|
8 |
|
2 |
|
7 |
H |
|
9 |
|
|
|
|
8 |
|
5 |
I |
|
1 |
|
|
|
5 |
6 |
|
|
|
Step 23 Because of the number 5 just placed, the only position in row G for another 5 is cell G2.
|
|
1 |
2 |
3 |
4 |
5 |
6 |
7 |
8 |
9 |
A |
|
|
5 |
3 |
1 |
|
7 |
8 |
9 |
B |
9 |
7 |
|
|
5 |
|
3 |
2 |
1 |
C |
1 |
3 |
|
|
9 |
|
5 |
6 |
4 |
D |
|
|
9 |
8 |
6 |
|
1 |
7 |
2 |
E |
7 |
6 |
2 |
5 |
4 |
1 |
9 |
3 |
8 |
F |
|
8 |
1 |
|
2 |
|
4 |
5 |
6 |
G |
6 |
5 |
3 |
|
8 |
|
2 |
|
7 |
H |
|
9 |
|
|
|
|
8 |
|
5 |
I |
|
1 |
|
|
|
5 |
6 |
|
|
|
Step 24 Because of the number 5 just placed, the only position in column 1 for another 5 is cell D1.
|
|
1 |
2 |
3 |
4 |
5 |
6 |
7 |
8 |
9 |
A |
|
|
5 |
3 |
1 |
|
7 |
8 |
9 |
B |
9 |
7 |
|
|
5 |
|
3 |
2 |
1 |
C |
1 |
3 |
|
|
9 |
|
5 |
6 |
4 |
D |
5 |
|
9 |
8 |
6 |
|
1 |
7 |
2 |
E |
7 |
6 |
2 |
5 |
4 |
1 |
9 |
3 |
8 |
F |
|
8 |
1 |
|
2 |
|
4 |
5 |
6 |
G |
6 |
5 |
3 |
|
8 |
|
2 |
|
7 |
H |
|
9 |
|
|
|
|
8 |
|
5 |
I |
|
1 |
|
|
|
5 |
6 |
|
|
|
Step 25 I9 is the last empty cell in column 9 and the missing number is 3.
|
|
1 |
2 |
3 |
4 |
5 |
6 |
7 |
8 |
9 |
A |
|
|
5 |
3 |
1 |
|
7 |
8 |
9 |
B |
9 |
7 |
|
|
5 |
|
3 |
2 |
1 |
C |
1 |
3 |
|
|
9 |
|
5 |
6 |
4 |
D |
5 |
|
9 |
8 |
6 |
|
1 |
7 |
2 |
E |
7 |
6 |
2 |
5 |
4 |
1 |
9 |
3 |
8 |
F |
|
8 |
1 |
|
2 |
|
4 |
5 |
6 |
G |
6 |
5 |
3 |
|
8 |
|
2 |
|
7 |
H |
|
9 |
|
|
|
|
8 |
|
5 |
I |
|
1 |
|
|
|
5 |
6 |
|
3 |
|
Step 26 The number 4 does not yet appear in row D. Due to other 4s on the grid, the only place it can go is cell D2.
|
|
1 |
2 |
3 |
4 |
5 |
6 |
7 |
8 |
9 |
A |
|
|
5 |
3 |
1 |
|
7 |
8 |
9 |
B |
9 |
7 |
|
|
5 |
|
3 |
2 |
1 |
C |
1 |
3 |
|
|
9 |
|
5 |
6 |
4 |
D |
5 |
4 |
9 |
8 |
6 |
|
1 |
7 |
2 |
E |
7 |
6 |
2 |
5 |
4 |
1 |
9 |
3 |
8 |
F |
|
8 |
1 |
|
2 |
|
4 |
5 |
6 |
G |
6 |
5 |
3 |
|
8 |
|
2 |
|
7 |
H |
|
9 |
|
|
|
|
8 |
|
5 |
I |
|
1 |
|
|
|
5 |
6 |
|
3 |
|
Step 27 F1 is the last empty cell in box D1-F3 and the missing number is 3.
|
|
1 |
2 |
3 |
4 |
5 |
6 |
7 |
8 |
9 |
A |
|
|
5 |
3 |
1 |
|
7 |
8 |
9 |
B |
9 |
7 |
|
|
5 |
|
3 |
2 |
1 |
C |
1 |
3 |
|
|
9 |
|
5 |
6 |
4 |
D |
5 |
4 |
9 |
8 |
6 |
|
1 |
7 |
2 |
E |
7 |
6 |
2 |
5 |
4 |
1 |
9 |
3 |
8 |
F |
3 |
8 |
1 |
|
2 |
|
4 |
5 |
6 |
G |
6 |
5 |
3 |
|
8 |
|
2 |
|
7 |
H |
|
9 |
|
|
|
|
8 |
|
5 |
I |
|
1 |
|
|
|
5 |
6 |
|
3 |
|
Step 28 D6 is the last empty cell in row D and the missing number is 3.
|
|
1 |
2 |
3 |
4 |
5 |
6 |
7 |
8 |
9 |
A |
|
|
5 |
3 |
1 |
|
7 |
8 |
9 |
B |
9 |
7 |
|
|
5 |
|
3 |
2 |
1 |
C |
1 |
3 |
|
|
9 |
|
5 |
6 |
4 |
D |
5 |
4 |
9 |
8 |
6 |
3 |
1 |
7 |
2 |
E |
7 |
6 |
2 |
5 |
4 |
1 |
9 |
3 |
8 |
F |
3 |
8 |
1 |
|
2 |
|
4 |
5 |
6 |
G |
6 |
5 |
3 |
|
8 |
|
2 |
|
7 |
H |
|
9 |
|
|
|
|
8 |
|
5 |
I |
|
1 |
|
|
|
5 |
6 |
|
3 |
|
Step 29 Because of the number 3 just placed, the only position in column 5 for another 3 is cell H5.
|
|
1 |
2 |
3 |
4 |
5 |
6 |
7 |
8 |
9 |
A |
|
|
5 |
3 |
1 |
|
7 |
8 |
9 |
B |
9 |
7 |
|
|
5 |
|
3 |
2 |
1 |
C |
1 |
3 |
|
|
9 |
|
5 |
6 |
4 |
D |
5 |
4 |
9 |
8 |
6 |
3 |
1 |
7 |
2 |
E |
7 |
6 |
2 |
5 |
4 |
1 |
9 |
3 |
8 |
F |
3 |
8 |
1 |
|
2 |
|
4 |
5 |
6 |
G |
6 |
5 |
3 |
|
8 |
|
2 |
|
7 |
H |
|
9 |
|
|
3 |
|
8 |
|
5 |
I |
|
1 |
|
|
|
5 |
6 |
|
3 |
|
Step 30 A2 is the last empty cell in column 2 and the missing number is 2.
|
|
1 |
2 |
3 |
4 |
5 |
6 |
7 |
8 |
9 |
A |
|
2 |
5 |
3 |
1 |
|
7 |
8 |
9 |
B |
9 |
7 |
|
|
5 |
|
3 |
2 |
1 |
C |
1 |
3 |
|
|
9 |
|
5 |
6 |
4 |
D |
5 |
4 |
9 |
8 |
6 |
3 |
1 |
7 |
2 |
E |
7 |
6 |
2 |
5 |
4 |
1 |
9 |
3 |
8 |
F |
3 |
8 |
1 |
|
2 |
|
4 |
5 |
6 |
G |
6 |
5 |
3 |
|
8 |
|
2 |
|
7 |
H |
|
9 |
|
|
3 |
|
8 |
|
5 |
I |
|
1 |
|
|
|
5 |
6 |
|
3 |
|
Step 31 I5 is the last empty cell in column 5 and the missing number is 7.
|
|
1 |
2 |
3 |
4 |
5 |
6 |
7 |
8 |
9 |
A |
|
2 |
5 |
3 |
1 |
|
7 |
8 |
9 |
B |
9 |
7 |
|
|
5 |
|
3 |
2 |
1 |
C |
1 |
3 |
|
|
9 |
|
5 |
6 |
4 |
D |
5 |
4 |
9 |
8 |
6 |
3 |
1 |
7 |
2 |
E |
7 |
6 |
2 |
5 |
4 |
1 |
9 |
3 |
8 |
F |
3 |
8 |
1 |
|
2 |
|
4 |
5 |
6 |
G |
6 |
5 |
3 |
|
8 |
|
2 |
|
7 |
H |
|
9 |
|
|
3 |
|
8 |
|
5 |
I |
|
1 |
|
|
7 |
5 |
6 |
|
3 |
|
Step 32 Because of the number 7 just placed, the only position in row H for another 7 is cell H3.
|
|
1 |
2 |
3 |
4 |
5 |
6 |
7 |
8 |
9 |
A |
|
2 |
5 |
3 |
1 |
|
7 |
8 |
9 |
B |
9 |
7 |
|
|
5 |
|
3 |
2 |
1 |
C |
1 |
3 |
|
|
9 |
|
5 |
6 |
4 |
D |
5 |
4 |
9 |
8 |
6 |
3 |
1 |
7 |
2 |
E |
7 |
6 |
2 |
5 |
4 |
1 |
9 |
3 |
8 |
F |
3 |
8 |
1 |
|
2 |
|
4 |
5 |
6 |
G |
6 |
5 |
3 |
|
8 |
|
2 |
|
7 |
H |
|
9 |
7 |
|
3 |
|
8 |
|
5 |
I |
|
1 |
|
|
7 |
5 |
6 |
|
3 |
|
Step 33 The number 6 does not yet appear in column 3. Due to other 6s on the grid, the only place it can go is cell B3.
|
|
1 |
2 |
3 |
4 |
5 |
6 |
7 |
8 |
9 |
A |
|
2 |
5 |
3 |
1 |
|
7 |
8 |
9 |
B |
9 |
7 |
6 |
|
5 |
|
3 |
2 |
1 |
C |
1 |
3 |
|
|
9 |
|
5 |
6 |
4 |
D |
5 |
4 |
9 |
8 |
6 |
3 |
1 |
7 |
2 |
E |
7 |
6 |
2 |
5 |
4 |
1 |
9 |
3 |
8 |
F |
3 |
8 |
1 |
|
2 |
|
4 |
5 |
6 |
G |
6 |
5 |
3 |
|
8 |
|
2 |
|
7 |
H |
|
9 |
7 |
|
3 |
|
8 |
|
5 |
I |
|
1 |
|
|
7 |
5 |
6 |
|
3 |
|
Step 34 Because of the number 6 just placed, the only position in row A for another 6 is cell A6.
|
|
1 |
2 |
3 |
4 |
5 |
6 |
7 |
8 |
9 |
A |
|
2 |
5 |
3 |
1 |
6 |
7 |
8 |
9 |
B |
9 |
7 |
6 |
|
5 |
|
3 |
2 |
1 |
C |
1 |
3 |
|
|
9 |
|
5 |
6 |
4 |
D |
5 |
4 |
9 |
8 |
6 |
3 |
1 |
7 |
2 |
E |
7 |
6 |
2 |
5 |
4 |
1 |
9 |
3 |
8 |
F |
3 |
8 |
1 |
|
2 |
|
4 |
5 |
6 |
G |
6 |
5 |
3 |
|
8 |
|
2 |
|
7 |
H |
|
9 |
7 |
|
3 |
|
8 |
|
5 |
I |
|
1 |
|
|
7 |
5 |
6 |
|
3 |
|
Step 35 Because of the number 6 just placed, the only position in column 4 for another 6 is cell H4.
|
|
1 |
2 |
3 |
4 |
5 |
6 |
7 |
8 |
9 |
A |
|
2 |
5 |
3 |
1 |
6 |
7 |
8 |
9 |
B |
9 |
7 |
6 |
|
5 |
|
3 |
2 |
1 |
C |
1 |
3 |
|
|
9 |
|
5 |
6 |
4 |
D |
5 |
4 |
9 |
8 |
6 |
3 |
1 |
7 |
2 |
E |
7 |
6 |
2 |
5 |
4 |
1 |
9 |
3 |
8 |
F |
3 |
8 |
1 |
|
2 |
|
4 |
5 |
6 |
G |
6 |
5 |
3 |
|
8 |
|
2 |
|
7 |
H |
|
9 |
7 |
6 |
3 |
|
8 |
|
5 |
I |
|
1 |
|
|
7 |
5 |
6 |
|
3 |
|
Step 36 A1 is the last empty cell in row A and the missing number is 4.
|
|
1 |
2 |
3 |
4 |
5 |
6 |
7 |
8 |
9 |
A |
4 |
2 |
5 |
3 |
1 |
6 |
7 |
8 |
9 |
B |
9 |
7 |
6 |
|
5 |
|
3 |
2 |
1 |
C |
1 |
3 |
|
|
9 |
|
5 |
6 |
4 |
D |
5 |
4 |
9 |
8 |
6 |
3 |
1 |
7 |
2 |
E |
7 |
6 |
2 |
5 |
4 |
1 |
9 |
3 |
8 |
F |
3 |
8 |
1 |
|
2 |
|
4 |
5 |
6 |
G |
6 |
5 |
3 |
|
8 |
|
2 |
|
7 |
H |
|
9 |
7 |
6 |
3 |
|
8 |
|
5 |
I |
|
1 |
|
|
7 |
5 |
6 |
|
3 |
|
Step 37 Because of the number 4 just placed, the only position in column 3 for another 4 is cell I3.
|
|
1 |
2 |
3 |
4 |
5 |
6 |
7 |
8 |
9 |
A |
4 |
2 |
5 |
3 |
1 |
6 |
7 |
8 |
9 |
B |
9 |
7 |
6 |
|
5 |
|
3 |
2 |
1 |
C |
1 |
3 |
|
|
9 |
|
5 |
6 |
4 |
D |
5 |
4 |
9 |
8 |
6 |
3 |
1 |
7 |
2 |
E |
7 |
6 |
2 |
5 |
4 |
1 |
9 |
3 |
8 |
F |
3 |
8 |
1 |
|
2 |
|
4 |
5 |
6 |
G |
6 |
5 |
3 |
|
8 |
|
2 |
|
7 |
H |
|
9 |
7 |
6 |
3 |
|
8 |
|
5 |
I |
|
1 |
4 |
|
7 |
5 |
6 |
|
3 |
|
Step 38 C3 is the last empty cell in box A1-C3 and the missing number is 8.
|
|
1 |
2 |
3 |
4 |
5 |
6 |
7 |
8 |
9 |
A |
4 |
2 |
5 |
3 |
1 |
6 |
7 |
8 |
9 |
B |
9 |
7 |
6 |
|
5 |
|
3 |
2 |
1 |
C |
1 |
3 |
8 |
|
9 |
|
5 |
6 |
4 |
D |
5 |
4 |
9 |
8 |
6 |
3 |
1 |
7 |
2 |
E |
7 |
6 |
2 |
5 |
4 |
1 |
9 |
3 |
8 |
F |
3 |
8 |
1 |
|
2 |
|
4 |
5 |
6 |
G |
6 |
5 |
3 |
|
8 |
|
2 |
|
7 |
H |
|
9 |
7 |
6 |
3 |
|
8 |
|
5 |
I |
|
1 |
4 |
|
7 |
5 |
6 |
|
3 |
|
Step 39 Because of the number 8 just placed, the only position in row B for another 8 is cell B6.
|
|
1 |
2 |
3 |
4 |
5 |
6 |
7 |
8 |
9 |
A |
4 |
2 |
5 |
3 |
1 |
6 |
7 |
8 |
9 |
B |
9 |
7 |
6 |
|
5 |
8 |
3 |
2 |
1 |
C |
1 |
3 |
8 |
|
9 |
|
5 |
6 |
4 |
D |
5 |
4 |
9 |
8 |
6 |
3 |
1 |
7 |
2 |
E |
7 |
6 |
2 |
5 |
4 |
1 |
9 |
3 |
8 |
F |
3 |
8 |
1 |
|
2 |
|
4 |
5 |
6 |
G |
6 |
5 |
3 |
|
8 |
|
2 |
|
7 |
H |
|
9 |
7 |
6 |
3 |
|
8 |
|
5 |
I |
|
1 |
4 |
|
7 |
5 |
6 |
|
3 |
|
Step 40 Because of the number 8 just placed, the only position in column 1 for another 8 is cell I1.
|
|
1 |
2 |
3 |
4 |
5 |
6 |
7 |
8 |
9 |
A |
4 |
2 |
5 |
3 |
1 |
6 |
7 |
8 |
9 |
B |
9 |
7 |
6 |
|
5 |
8 |
3 |
2 |
1 |
C |
1 |
3 |
8 |
|
9 |
|
5 |
6 |
4 |
D |
5 |
4 |
9 |
8 |
6 |
3 |
1 |
7 |
2 |
E |
7 |
6 |
2 |
5 |
4 |
1 |
9 |
3 |
8 |
F |
3 |
8 |
1 |
|
2 |
|
4 |
5 |
6 |
G |
6 |
5 |
3 |
|
8 |
|
2 |
|
7 |
H |
|
9 |
7 |
6 |
3 |
|
8 |
|
5 |
I |
8 |
1 |
4 |
|
7 |
5 |
6 |
|
3 |
|
Step 41 H1 is the last empty cell in box G1-I3 and the missing number is 2.
|
|
1 |
2 |
3 |
4 |
5 |
6 |
7 |
8 |
9 |
A |
4 |
2 |
5 |
3 |
1 |
6 |
7 |
8 |
9 |
B |
9 |
7 |
6 |
|
5 |
8 |
3 |
2 |
1 |
C |
1 |
3 |
8 |
|
9 |
|
5 |
6 |
4 |
D |
5 |
4 |
9 |
8 |
6 |
3 |
1 |
7 |
2 |
E |
7 |
6 |
2 |
5 |
4 |
1 |
9 |
3 |
8 |
F |
3 |
8 |
1 |
|
2 |
|
4 |
5 |
6 |
G |
6 |
5 |
3 |
|
8 |
|
2 |
|
7 |
H |
2 |
9 |
7 |
6 |
3 |
|
8 |
|
5 |
I |
8 |
1 |
4 |
|
7 |
5 |
6 |
|
3 |
|
Step 42 Because of the number 2 just placed, the only position in row I for another 2 is cell I4.
|
|
1 |
2 |
3 |
4 |
5 |
6 |
7 |
8 |
9 |
A |
4 |
2 |
5 |
3 |
1 |
6 |
7 |
8 |
9 |
B |
9 |
7 |
6 |
|
5 |
8 |
3 |
2 |
1 |
C |
1 |
3 |
8 |
|
9 |
|
5 |
6 |
4 |
D |
5 |
4 |
9 |
8 |
6 |
3 |
1 |
7 |
2 |
E |
7 |
6 |
2 |
5 |
4 |
1 |
9 |
3 |
8 |
F |
3 |
8 |
1 |
|
2 |
|
4 |
5 |
6 |
G |
6 |
5 |
3 |
|
8 |
|
2 |
|
7 |
H |
2 |
9 |
7 |
6 |
3 |
|
8 |
|
5 |
I |
8 |
1 |
4 |
2 |
7 |
5 |
6 |
|
3 |
|
Step 43 Because of the number 2 just placed, the only position in column 6 for another 2 is cell C6.
|
|
1 |
2 |
3 |
4 |
5 |
6 |
7 |
8 |
9 |
A |
4 |
2 |
5 |
3 |
1 |
6 |
7 |
8 |
9 |
B |
9 |
7 |
6 |
|
5 |
8 |
3 |
2 |
1 |
C |
1 |
3 |
8 |
|
9 |
2 |
5 |
6 |
4 |
D |
5 |
4 |
9 |
8 |
6 |
3 |
1 |
7 |
2 |
E |
7 |
6 |
2 |
5 |
4 |
1 |
9 |
3 |
8 |
F |
3 |
8 |
1 |
|
2 |
|
4 |
5 |
6 |
G |
6 |
5 |
3 |
|
8 |
|
2 |
|
7 |
H |
2 |
9 |
7 |
6 |
3 |
|
8 |
|
5 |
I |
8 |
1 |
4 |
2 |
7 |
5 |
6 |
|
3 |
|
Step 44 B4 is the last empty cell in row B and the missing number is 4.
|
|
1 |
2 |
3 |
4 |
5 |
6 |
7 |
8 |
9 |
A |
4 |
2 |
5 |
3 |
1 |
6 |
7 |
8 |
9 |
B |
9 |
7 |
6 |
4 |
5 |
8 |
3 |
2 |
1 |
C |
1 |
3 |
8 |
|
9 |
2 |
5 |
6 |
4 |
D |
5 |
4 |
9 |
8 |
6 |
3 |
1 |
7 |
2 |
E |
7 |
6 |
2 |
5 |
4 |
1 |
9 |
3 |
8 |
F |
3 |
8 |
1 |
|
2 |
|
4 |
5 |
6 |
G |
6 |
5 |
3 |
|
8 |
|
2 |
|
7 |
H |
2 |
9 |
7 |
6 |
3 |
|
8 |
|
5 |
I |
8 |
1 |
4 |
2 |
7 |
5 |
6 |
|
3 |
|
Step 45 C4 is the last empty cell in box A4-C6 and the missing number is 7.
|
|
1 |
2 |
3 |
4 |
5 |
6 |
7 |
8 |
9 |
A |
4 |
2 |
5 |
3 |
1 |
6 |
7 |
8 |
9 |
B |
9 |
7 |
6 |
4 |
5 |
8 |
3 |
2 |
1 |
C |
1 |
3 |
8 |
7 |
9 |
2 |
5 |
6 |
4 |
D |
5 |
4 |
9 |
8 |
6 |
3 |
1 |
7 |
2 |
E |
7 |
6 |
2 |
5 |
4 |
1 |
9 |
3 |
8 |
F |
3 |
8 |
1 |
|
2 |
|
4 |
5 |
6 |
G |
6 |
5 |
3 |
|
8 |
|
2 |
|
7 |
H |
2 |
9 |
7 |
6 |
3 |
|
8 |
|
5 |
I |
8 |
1 |
4 |
2 |
7 |
5 |
6 |
|
3 |
|
Step 46 Because of the number 7 just placed, the only position in column 6 for another 7 is cell F6.
|
|
1 |
2 |
3 |
4 |
5 |
6 |
7 |
8 |
9 |
A |
4 |
2 |
5 |
3 |
1 |
6 |
7 |
8 |
9 |
B |
9 |
7 |
6 |
4 |
5 |
8 |
3 |
2 |
1 |
C |
1 |
3 |
8 |
7 |
9 |
2 |
5 |
6 |
4 |
D |
5 |
4 |
9 |
8 |
6 |
3 |
1 |
7 |
2 |
E |
7 |
6 |
2 |
5 |
4 |
1 |
9 |
3 |
8 |
F |
3 |
8 |
1 |
|
2 |
7 |
4 |
5 |
6 |
G |
6 |
5 |
3 |
|
8 |
|
2 |
|
7 |
H |
2 |
9 |
7 |
6 |
3 |
|
8 |
|
5 |
I |
8 |
1 |
4 |
2 |
7 |
5 |
6 |
|
3 |
|
Step 47 F4 is the last empty cell in box D4-F6 and the missing number is 9.
|
|
1 |
2 |
3 |
4 |
5 |
6 |
7 |
8 |
9 |
A |
4 |
2 |
5 |
3 |
1 |
6 |
7 |
8 |
9 |
B |
9 |
7 |
6 |
4 |
5 |
8 |
3 |
2 |
1 |
C |
1 |
3 |
8 |
7 |
9 |
2 |
5 |
6 |
4 |
D |
5 |
4 |
9 |
8 |
6 |
3 |
1 |
7 |
2 |
E |
7 |
6 |
2 |
5 |
4 |
1 |
9 |
3 |
8 |
F |
3 |
8 |
1 |
9 |
2 |
7 |
4 |
5 |
6 |
G |
6 |
5 |
3 |
|
8 |
|
2 |
|
7 |
H |
2 |
9 |
7 |
6 |
3 |
|
8 |
|
5 |
I |
8 |
1 |
4 |
2 |
7 |
5 |
6 |
|
3 |
|
Step 48 Because of the number 9 just placed, the only position in column 6 for another 9 is cell G6.
|
|
1 |
2 |
3 |
4 |
5 |
6 |
7 |
8 |
9 |
A |
4 |
2 |
5 |
3 |
1 |
6 |
7 |
8 |
9 |
B |
9 |
7 |
6 |
4 |
5 |
8 |
3 |
2 |
1 |
C |
1 |
3 |
8 |
7 |
9 |
2 |
5 |
6 |
4 |
D |
5 |
4 |
9 |
8 |
6 |
3 |
1 |
7 |
2 |
E |
7 |
6 |
2 |
5 |
4 |
1 |
9 |
3 |
8 |
F |
3 |
8 |
1 |
9 |
2 |
7 |
4 |
5 |
6 |
G |
6 |
5 |
3 |
|
8 |
9 |
2 |
|
7 |
H |
2 |
9 |
7 |
6 |
3 |
|
8 |
|
5 |
I |
8 |
1 |
4 |
2 |
7 |
5 |
6 |
|
3 |
|
Step 49 I8 is the last empty cell in row I and the missing number is 9.
|
|
1 |
2 |
3 |
4 |
5 |
6 |
7 |
8 |
9 |
A |
4 |
2 |
5 |
3 |
1 |
6 |
7 |
8 |
9 |
B |
9 |
7 |
6 |
4 |
5 |
8 |
3 |
2 |
1 |
C |
1 |
3 |
8 |
7 |
9 |
2 |
5 |
6 |
4 |
D |
5 |
4 |
9 |
8 |
6 |
3 |
1 |
7 |
2 |
E |
7 |
6 |
2 |
5 |
4 |
1 |
9 |
3 |
8 |
F |
3 |
8 |
1 |
9 |
2 |
7 |
4 |
5 |
6 |
G |
6 |
5 |
3 |
|
8 |
9 |
2 |
|
7 |
H |
2 |
9 |
7 |
6 |
3 |
|
8 |
|
5 |
I |
8 |
1 |
4 |
2 |
7 |
5 |
6 |
9 |
3 |
|
Step 50 G4 is the last empty cell in column 4 and the missing number is 1.
|
|
1 |
2 |
3 |
4 |
5 |
6 |
7 |
8 |
9 |
A |
4 |
2 |
5 |
3 |
1 |
6 |
7 |
8 |
9 |
B |
9 |
7 |
6 |
4 |
5 |
8 |
3 |
2 |
1 |
C |
1 |
3 |
8 |
7 |
9 |
2 |
5 |
6 |
4 |
D |
5 |
4 |
9 |
8 |
6 |
3 |
1 |
7 |
2 |
E |
7 |
6 |
2 |
5 |
4 |
1 |
9 |
3 |
8 |
F |
3 |
8 |
1 |
9 |
2 |
7 |
4 |
5 |
6 |
G |
6 |
5 |
3 |
1 |
8 |
9 |
2 |
|
7 |
H |
2 |
9 |
7 |
6 |
3 |
|
8 |
|
5 |
I |
8 |
1 |
4 |
2 |
7 |
5 |
6 |
9 |
3 |
|
Step 51 Because of the number 1 just placed, the only position in row H for another 1 is cell H8.
|
|
1 |
2 |
3 |
4 |
5 |
6 |
7 |
8 |
9 |
A |
4 |
2 |
5 |
3 |
1 |
6 |
7 |
8 |
9 |
B |
9 |
7 |
6 |
4 |
5 |
8 |
3 |
2 |
1 |
C |
1 |
3 |
8 |
7 |
9 |
2 |
5 |
6 |
4 |
D |
5 |
4 |
9 |
8 |
6 |
3 |
1 |
7 |
2 |
E |
7 |
6 |
2 |
5 |
4 |
1 |
9 |
3 |
8 |
F |
3 |
8 |
1 |
9 |
2 |
7 |
4 |
5 |
6 |
G |
6 |
5 |
3 |
1 |
8 |
9 |
2 |
|
7 |
H |
2 |
9 |
7 |
6 |
3 |
|
8 |
1 |
5 |
I |
8 |
1 |
4 |
2 |
7 |
5 |
6 |
9 |
3 |
|
Step 52 H6 is the last empty cell in box G4-I6 and the missing number is 4.
|
|
1 |
2 |
3 |
4 |
5 |
6 |
7 |
8 |
9 |
A |
4 |
2 |
5 |
3 |
1 |
6 |
7 |
8 |
9 |
B |
9 |
7 |
6 |
4 |
5 |
8 |
3 |
2 |
1 |
C |
1 |
3 |
8 |
7 |
9 |
2 |
5 |
6 |
4 |
D |
5 |
4 |
9 |
8 |
6 |
3 |
1 |
7 |
2 |
E |
7 |
6 |
2 |
5 |
4 |
1 |
9 |
3 |
8 |
F |
3 |
8 |
1 |
9 |
2 |
7 |
4 |
5 |
6 |
G |
6 |
5 |
3 |
1 |
8 |
9 |
2 |
|
7 |
H |
2 |
9 |
7 |
6 |
3 |
4 |
8 |
1 |
5 |
I |
8 |
1 |
4 |
2 |
7 |
5 |
6 |
9 |
3 |
|
Step 53 G8 is the last empty cell in row G and the missing number is 4.
Congratulations - the puzzle is solved!
|
|
1 |
2 |
3 |
4 |
5 |
6 |
7 |
8 |
9 |
A |
4 |
2 |
5 |
3 |
1 |
6 |
7 |
8 |
9 |
B |
9 |
7 |
6 |
4 |
5 |
8 |
3 |
2 |
1 |
C |
1 |
3 |
8 |
7 |
9 |
2 |
5 |
6 |
4 |
D |
5 |
4 |
9 |
8 |
6 |
3 |
1 |
7 |
2 |
E |
7 |
6 |
2 |
5 |
4 |
1 |
9 |
3 |
8 |
F |
3 |
8 |
1 |
9 |
2 |
7 |
4 |
5 |
6 |
G |
6 |
5 |
3 |
1 |
8 |
9 |
2 |
4 |
7 |
H |
2 |
9 |
7 |
6 |
3 |
4 |
8 |
1 |
5 |
I |
8 |
1 |
4 |
2 |
7 |
5 |
6 |
9 |
3 |
|
©