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

This Sudoku Puzzle has 4 steps and it is solved using Locked Triple, Locked Candidates Type 1 (Pointing), Give Up techniques.

Locked Candidates Explanation
Try To Solve This Puzzle

Solution Steps:

  1. Locked Triple: 4,5,7 in r5c456 => r46c5,r5c1379<>4, r46c5,r5c1379<>7, r46c5,r5c39<>5
  2. Locked Candidates Type 1 (Pointing): 6 in b5 => r78c5<>6
  3. Locked Candidates Type 1 (Pointing): 8 in b5 => r23789c5<>8
  4. Give Up: Don't know how to proceed!
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