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

This Sudoku Puzzle has 6 steps and it is solved using Locked Candidates Type 1 (Pointing), Hidden Pair, Give Up techniques.

Hidden Pair Explanation
Locked Candidates Explanation
Try To Solve This Puzzle

Solution Steps:

  1. Locked Candidates Type 1 (Pointing): 5 in b1 => r1c45<>5
  2. Locked Candidates Type 1 (Pointing): 8 in b1 => r1c79<>8
  3. Locked Candidates Type 1 (Pointing): 9 in b6 => r5c45<>9
  4. Hidden Pair: 5,8 in r1c13 => r1c13<>1, r1c13<>2, r1c13<>6, r1c13<>7
  5. Hidden Pair: 3,4 in r3c79 => r3c79<>1, r3c79<>2, r3c7<>6, r3c9<>7
  6. Give Up: Don't know how to proceed!
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