Free Printable Easy Sudoku Puzzles - Free Printable

To solve the Sudoku puzzles, we need to follow the rules of Sudoku: each row, column, and 3x3 subgrid must contain all the digits from 1 to 9 without repetition. Let's solve Puzzle 1 step by step as an example.

Puzzle 1

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

#### Step-by-Step Solution for Puzzle 1

1. Row 1, Column 4 (R1C4):
- The possible numbers are 4, 6, or 8.
- From the 3x3 subgrid, 4 is already in R3C4, so it cannot be 4.
- From Row 1, 6 is already in R1C6, so it cannot be 6.
- Therefore, R1C4 = 8.

2. Row 1, Column 5 (R1C5):
- The possible numbers are 4 or 6.
- From the 3x3 subgrid, 6 is already in R3C5, so it cannot be 6.
- Therefore, R1C5 = 4.

3. Row 1, Column 6 (R1C6):
- The possible numbers are 6.
- Therefore, R1C6 = 6.

4. Row 2, Column 1 (R2C1):
- The possible numbers are 3, 6, or 7.
- From the 3x3 subgrid, 3 is already in R3C1, so it cannot be 3.
- From Row 2, 7 is already in R2C8, so it cannot be 7.
- Therefore, R2C1 = 6.

5. Row 2, Column 3 (R2C3):
- The possible numbers are 3 or 7.
- From the 3x3 subgrid, 3 is already in R3C1, so it cannot be 3.
- Therefore, R2C3 = 7.

6. Row 2, Column 6 (R2C6):
- The possible numbers are 1 or 3.
- From the 3x3 subgrid, 3 is already in R3C4, so it cannot be 3.
- Therefore, R2C6 = 1.

7. Row 2, Column 7 (R2C7):
- The possible numbers are 5.
- Therefore, R2C7 = 5.

8. Row 3, Column 1 (R3C1):
- The possible numbers are 3 or 9.
- From the 3x3 subgrid, 9 is already in R3C7, so it cannot be 9.
- Therefore, R3C1 = 3.

9. Row 3, Column 2 (R3C2):
- The possible numbers are 4 or 9.
- From the 3x3 subgrid, 9 is already in R3C7, so it cannot be 9.
- Therefore, R3C2 = 4.

10. Row 3, Column 5 (R3C5):
- The possible numbers are 2 or 9.
- From the 3x3 subgrid, 9 is already in R3C7, so it cannot be 9.
- Therefore, R3C5 = 2.

11. Row 3, Column 7 (R3C7):
- The possible numbers are 9.
- Therefore, R3C7 = 9.

12. Row 4, Column 2 (R4C2):
- The possible numbers are 3 or 8.
- From the 3x3 subgrid, 8 is already in R6C2, so it cannot be 8.
- Therefore, R4C2 = 3.

13. Row 4, Column 6 (R4C6):
- The possible numbers are 8.
- Therefore, R4C6 = 8.

14. Row 4, Column 7 (R4C7):
- The possible numbers are 1.
- Therefore, R4C7 = 1.

15. Row 5, Column 1 (R5C1):
- The possible numbers are 7 or 8.
- From the 3x3 subgrid, 8 is already in R4C6, so it cannot be 8.
- Therefore, R5C1 = 7.

16. Row 5, Column 3 (R5C3):
- The possible numbers are 8.
- Therefore, R5C3 = 8.

17. Row 5, Column 6 (R5C6):
- The possible numbers are 5.
- Therefore, R5C6 = 5.

18. Row 5, Column 7 (R5C7):
- The possible numbers are 6.
- Therefore, R5C7 = 6.

19. Row 6, Column 2 (R6C2):
- The possible numbers are 8.
- Therefore, R6C2 = 8.

20. Row 6, Column 3 (R6C3):
- The possible numbers are 2.
- Therefore, R6C3 = 2.

21. Row 6, Column 5 (R6C5):
- The possible numbers are 1.
- Therefore, R6C5 = 1.

22. Row 6, Column 7 (R6C7):
- The possible numbers are 3.
- Therefore, R6C7 = 3.

23. Row 7, Column 1 (R7C1):
- The possible numbers are 9.
- Therefore, R7C1 = 9.

24. Row 7, Column 2 (R7C2):
- The possible numbers are 6.
- Therefore, R7C2 = 6.

25. Row 7, Column 3 (R7C3):
- The possible numbers are 5.
- Therefore, R7C3 = 5.

26. Row 7, Column 4 (R7C4):
- The possible numbers are 1.
- Therefore, R7C4 = 1.

27. Row 7, Column 5 (R7C5):
- The possible numbers are 4.
- Therefore, R7C5 = 4.

28. Row 7, Column 6 (R7C6):
- The possible numbers are 2.
- Therefore, R7C6 = 2.

29. Row 7, Column 8 (R7C8):
- The possible numbers are 4.
- Therefore, R7C8 = 4.

30. Row 8, Column 1 (R8C1):
- The possible numbers are 1.
- Therefore, R8C1 = 1.

31. Row 8, Column 3 (R8C3):
- The possible numbers are 9.
- Therefore, R8C3 = 9.

32. Row 8, Column 4 (R8C4):
- The possible numbers are 2.
- Therefore, R8C4 = 2.

33. Row 8, Column 5 (R8C5):
- The possible numbers are 5.
- Therefore, R8C5 = 5.

34. Row 8, Column 6 (R8C6):
- The possible numbers are 3.
- Therefore, R8C6 = 3.

35. Row 8, Column 7 (R8C7):
- The possible numbers are 6.
- Therefore, R8C7 = 6.

36. Row 9, Column 2 (R9C2):
- The possible numbers are 4.
- Therefore, R9C2 = 4.

37. Row 9, Column 3 (R9C3):
- The possible numbers are 7.
- Therefore, R9C3 = 7.

38. Row 9, Column 4 (R9C4):
- The possible numbers are 6.
- Therefore, R9C4 = 6.

39. Row 9, Column 5 (R9C5):
- The possible numbers are 1.
- Therefore, R9C5 = 1.

40. Row 9, Column 6 (R9C6):
- The possible numbers are 9.
- Therefore, R9C6 = 9.

41. Row 9, Column 7 (R9C7):
- The possible numbers are 2.
- Therefore, R9C7 = 2.

42. Row 9, Column 8 (R9C8):
- The possible numbers are 3.
- Therefore, R9C8 = 3.

Final solved grid for Puzzle 1:
```
5 6 1 | 8 4 7 | 3 9 2
6 2 7 | 9 1 4 | 5 8 3
3 4 8 | 6 2 5 | 7 5 1

------+-------+------

1 3 4 | 5 6 7 | 2 9 8
7 5 9 | 4 3 8 | 6 2 1
2 9 6 | 8 1 6 | 4 7 5

------+-------+------

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

Final Answer for Puzzle 1:

\[
\boxed{
\begin{array}{|3{c}|3{c}|3{c}|}
\hline
5 & 6 & 1 & 8 & 4 & 7 & 3 & 9 & 2 \\
6 & 2 & 7 & 9 & 1 & 4 & 5 & 8 & 3 \\
3 & 4 & 8 & 6 & 2 & 5 & 7 & 5 & 1 \\
\hline
1 & 3 & 4 & 5 & 6 & 7 & 2 & 9 & 8 \\
7 & 5 & 9 & 4 & 3 & 8 & 6 & 2 & 1 \\
2 & 9 & 6 & 8 & 1 & 6 & 4 & 7 & 5 \\
\hline
9 & 1 & 5 & 3 & 7 & 2 & 8 & 4 & 6 \\
4 & 8 & 3 & 1 & 5 & 9 & 6 & 7 & 2 \\
2 & 4 & 7 & 7 & 8 & 3 & 9 & 1 & 5 \\
\hline
\end{array}
}
\]

You can apply a similar approach to solve Puzzle 2. If you need help with Puzzle 2, let me know!