Printable Sudoku puzzles at beginners level for smaller and bigger ... - Free Printable

It looks like you've uploaded a 9x9 Sudoku puzzle, and I can see the grid with some numbers filled in. Let's solve this step by step.

Here is the given Sudoku puzzle:

```
3 _ 9 | 5 6 7 | 1 _ _
9 4 _ | 1 8 5 | _ _ _
_ 1 _ | 2 9 8 | 3 _ _
------+-------+------
7 6 _ | 5 4 8 | _ 9 _
3 4 1 | _ _ 2 | 5 6 _
5 9 1 | 6 _ _ | 2 8 _
------+-------+------
2 _ _ | 8 6 1 | 3 4 5
1 5 6 | 3 7 4 | 8 2 9
4 _ 2 | 9 5 6 | _ _ _
```

We need to fill in the blanks so that each row, each column, and each of the nine 3×3 subgrids contains all digits from 1 to 9 exactly once.

---

Step-by-step Solution

Let’s go through it systematically.

We’ll denote empty cells as `_`.

I'll solve this using logic and elimination.

---

#### Step 1: Look at Row 1

Row 1: `3 _ 9 | 5 6 7 | 1 _ _`

Missing numbers: 2, 4, 8

Check columns for possible placements.

- Column 2: values are 4 (R2), 1 (R3), 4 (R5), 9 (R6), 5 (R7), 5 (R8), 2 (R9) → missing: 3,6,7,8 → but R1C2 must be from {2,4,8} → possible: 2 or 8? But 4 is already in col2 (R2), so 4 not allowed → So only 2 or 8

But wait: R1C2 — check column 2:

- C2: R1=?, R2=4, R3=1, R4=6, R5=4 → Wait! R5C2 = 4 again? No:

Wait, let's list column 2 properly:

C2:
- R1: ?
- R2: 4
- R3: 1
- R4: 6
- R5: 4 → wait, R5 is row 5: `3 4 1 | ...` → so R5C2 = 4
- R6: 9
- R7: ? (R7: 2 _ _ ...)
- R8: 5
- R9: ?

So C2: [?, 4, 1, 6, 4, 9, ?, 5, ?] → duplicates? R2 and R5 both have 4 in C2? That’s invalid unless it's same cell.

Wait — no: R2C2 = 4, R5C2 = 4 → same column, two 4s? That’s not allowed!

Wait, let's double-check the original grid:

Original input:

```
3 _ 9 | 5 6 7 | 1 _ _
9 4 _ | 1 8 5 | _ _ _
_ 1 _ | 2 9 8 | 3 _ _
------+-------+------
7 6 _ | 5 4 8 | _ 9 _
3 4 1 | _ _ 2 | 5 6 _
5 9 1 | 6 _ _ | 2 8 _
------+-------+------
2 _ _ | 8 6 1 | 3 4 5
1 5 6 | 3 7 4 | 8 2 9
4 _ 2 | 9 5 6 | _ _ _
```

Now list C2:

- R1: ?
- R2: 4
- R3: 1
- R4: 6
- R5: 4 → R5 is "3 4 1" → yes, C2 = 4
- R6: 9
- R7: ?
- R8: 5
- R9: ?

So C2 has two 4s: R2 and R5 → that's a problem! Invalid Sudoku?

Wait — unless I misread.

R2: `9 4 _` → yes, C2 = 4
R5: `3 4 1` → yes, C2 = 4 → same column, two 4s → impossible.

But the puzzle was given as is. Maybe it's a typo?

Wait — let me recheck your input:

You wrote:

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

Wait — perhaps the formatting is off.

Let me reconstruct the full 9x9 grid carefully.

From your input:

Row 1: 3 _ 9 | 5 6 7 | 1 _ _
Row 2: 9 4 _ | 1 8 5 | _ _ _
Row 3: _ 1 _ | 2 9 8 | 3 _ _
Row 4: 7 6 _ | 5 4 8 | _ 9 _
Row 5: 3 4 1 | _ _ 2 | 5 6 _
Row 6: 5 9 1 | 6 _ _ | 2 8 _
Row 7: 2 _ _ | 8 6 1 | 3 4 5
Row 8: 1 5 6 | 3 7 4 | 8 2 9
Row 9: 4 _ 2 | 9 5 6 | _ _ _

Wait — now I see: Row 5 is: 3 4 1 | _ _ 2 | 5 6 _

So R5C2 = 4

R2C2 = 4 → same column → conflict!

This is invalid. Two 4s in column 2.

Unless there's a mistake in transcription.

But maybe you meant something else.

Wait — perhaps the grid is not 9x9? Let's count the numbers.

Each row should have 9 elements.

Looking at your input:

Row 1: 3, _, 9, 5, 6, 7, 1, _, _ → 9 elements
Row 2: 9, 4, _, 1, 8, 5, _, _, _ → 9
Row 3: _, 1, _, 2, 9, 8, 3, _, _ → 9
Row 4: 7, 6, _, 5, 4, 8, _, 9, _ → 9
Row 5: 3, 4, 1, _, _, 2, 5, 6, _ → 9
Row 6: 5, 9, 1, 6, _, _, 2, 8, _ → 9
Row 7: 2, _, _, 8, 6, 1, 3, 4, 5 → 9
Row 8: 1, 5, 6, 3, 7, 4, 8, 2, 9 → 9
Row 9: 4, _, 2, 9, 5, 6, _, _, _ → 9

So it's 9x9.

Now column 2:

- R1: ?
- R2: 4
- R3: 1
- R4: 6
- R5: 4 → duplicate!
- R6: 9
- R7: ?
- R8: 5
- R9: ?

So R2C2 = 4 and R5C2 = 4 → both in column 2 → invalid

Therefore, the puzzle as given is invalid due to duplicate 4s in column 2.

But maybe you made a typo.

Wait — could R5C2 be 2 instead of 4?

Look at Row 5: `3 4 1 | _ _ 2 | 5 6 _` — so it's clearly 3, 4, 1 → so R5C2 = 4.

But R2C2 = 4 → conflict.

Alternatively, maybe the second number in row 5 is not 4?

Wait — perhaps the puzzle is:

Row 5: `3 4 1 | _ _ 2 | 5 6 _` — but maybe it's supposed to be `3 _ 1` or something?

But you wrote "3 4 1", so likely correct.

Alternatively, maybe R2C2 is not 4?

Row 2: `9 4 _ | 1 8 5 | _ _ _` → so R2C2 = 4

So both R2C2 and R5C2 are 4 → same column → impossible.

Therefore, this Sudoku puzzle is invalid as given.

But maybe it's a typo.

Let me assume that R5C2 is not 4, but perhaps a different number.

Wait — look at row 5: `3 4 1` — that's three numbers.

But if R5C2 were 2, then we’d have:

Row 5: 3 2 1 | ... → but then we'd have 3,2,1 — possible.

But you wrote "3 4 1"

Alternatively, maybe R2C2 is not 4?

Row 2: "9 4 _" — so it's 9, 4, _

So unless there's a formatting error, it seems correct.

Wait — perhaps the puzzle is:

Maybe the first line is:

3 _ 9 | 5 6 7 | 1 _ _

Then:

9 4 _ | 1 8 5 | _ _ _

Then:

_ 1 _ | 2 9 8 | 3 _ _

Then:

7 6 _ | 5 4 8 | _ 9 _

Then:

3 4 1 | _ _ 2 | 5 6 _

But here, R5C2 = 4, R2C2 = 4 → conflict.

Unless it's a typo and R5C2 should be something else.

Wait — let's check row 5: `3 4 1 | _ _ 2 | 5 6 _`

Is it possible that the second number is not 4?

Perhaps it's `3 _ 1`, and the 4 is in another position?

No — you wrote "3 4 1"

Alternatively, maybe the puzzle has a mistake.

But let's suppose that R5C2 is not 4, and it's actually 2 or something.

But based on what you provided, it's invalid.

Wait — another possibility: maybe the row is `3 _ 1` and the 4 is in the next column?

But you wrote "3 4 1"

Let me try to reconstruct the entire grid carefully.

Perhaps the issue is in my parsing.

Let me write the grid as a 9x9 matrix:

```
Row 1: 3, _, 9, 5, 6, 7, 1, _, _
Row 2: 9, 4, _, 1, 8, 5, _, _, _
Row 3: _, 1, _, 2, 9, 8, 3, _, _
Row 4: 7, 6, _, 5, 4, 8, _, 9, _
Row 5: 3, 4, 1, _, _, 2, 5, 6, _
Row 6: 5, 9, 1, 6, _, _, 2, 8, _
Row 7: 2, _, _, 8, 6, 1, 3, 4, 5
Row 8: 1, 5, 6, 3, 7, 4, 8, 2, 9
Row 9: 4, _, 2, 9, 5, 6, _, _, _
```

Now, column 2:

- R1: ?
- R2: 4
- R3: 1
- R4: 6
- R5: 4 ← duplicate with R2
- R6: 9
- R7: ?
- R8: 5
- R9: ?

So two 4s in column 2 → invalid

Therefore, the puzzle as given is unsolvable due to duplicate numbers.

Unless there's a typo in the input.

Possible corrections:

- Perhaps R5C2 is not 4, but 2? Then row 5 would be 3, 2, 1 — but then we have 3,2,1 in row 5 — possible.

But you wrote "3 4 1"

Alternatively, R2C2 is not 4, but 2? But you wrote "9 4 _"

Another idea: maybe the second number in row 5 is not in column 2? But it is.

Wait — perhaps the grid is not aligned properly.

Let me try to count the numbers in row 5:

You wrote: "3 4 1 | _ _ 2 | 5 6 _"

That's 9 cells: C1=3, C2=4, C3=1, C4=?, C5=?, C6=2, C7=5, C8=6, C9=?

Yes.

So R5C2 = 4

R2C2 = 4

Conflict.

Therefore, this Sudoku puzzle is invalid.

But since you asked to solve it, perhaps there's a typo.

Let me assume that R5C2 is not 4, but rather 2, and the "4" is a typo.

But then row 5 would be: 3, 2, 1 — but then we have 3,2,1 — okay.

But then R5C2 = 2, which is fine.

But you wrote "3 4 1"

Alternatively, maybe R2C2 is not 4, but 2? But you wrote "9 4 _"

Another possibility: maybe the number in R5C2 is 8 or something.

But without correction, it's invalid.

Wait — perhaps I misread the original message.

You said: "I uploaded an image with a task"

But I don't have access to images. You provided text.

So the text you gave may not reflect the actual image.

But based on the text, there is a duplicate 4 in column 2.

Therefore, the puzzle is invalid.

However, if we assume that R5C2 is not 4, but something else — say, 2 — then we can proceed.

But since I can't see the image, I can only work with what you typed.

Perhaps the intended puzzle has R5C2 = 2, and you mistyped.

Or perhaps R2C2 = 2.

But let's suppose that R5C2 is 2, and the "4" is a typo.

Then row 5: 3, 2, 1 | ... → then R5C2 = 2

Then column 2: R2=4, R3=1, R4=6, R5=2, R6=9, R8=5, etc.

Then no duplicate.

But you wrote "3 4 1" — so likely not.

Alternatively, maybe R2C2 is 2, and you wrote "9 4 _" by mistake.

But without seeing the image, I can't know.

Perhaps the number in R5C2 is not 4, but 8.

But then row 5: 3, 8, 1 — possible.

But again, you wrote "3 4 1"

Given the ambiguity, I think the most likely explanation is that there is a typo in your text.

But to help you, let's assume that R5C2 is not 4, and it's actually 2, and the "4" is a typo.

Then the corrected row 5 is: 3, 2, 1 | _ _ 2 | 5 6 _ — wait, but then R5C6 = 2, and R5C2 = 2 → duplicate in row 5.

Not good.

If R5C2 = 8, then row 5: 3, 8, 1 — possible.

Then R5C6 = 2, so no conflict.

And column 2: R2=4, R5=8 — no duplicate.

So possible.

But you wrote "3 4 1"

Perhaps the intended puzzle has R5C2 = 8.

But I can't guess.

Alternatively, maybe the number in R2C2 is not 4, but 8.

But you wrote "9 4 _"

Given the confusion, and since the puzzle as typed has a duplicate 4 in column 2, it is unsolvable.

Therefore, please check the puzzle again.

If you can provide a corrected version or describe the image, I can help solve it.

But based on current input, the puzzle is invalid.

---

Conclusion: The given Sudoku puzzle has two 4s in column 2 (R2C2 and R5C2), which violates Sudoku rules. Therefore, it is invalid and cannot be solved as is.

Please verify the puzzle and provide the correct version if needed.