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

This Sudoku Puzzle has 2 steps and it is solved using Hidden Pair, Give Up techniques.

Hidden Pair Explanation
Try To Solve This Puzzle

Solution Steps:

  1. Hidden Pair: 6,9 in r79c7 => r7c7<>1, r79c7<>2, r79c7<>4, r79c7<>7, r79c7<>8
  2. Give Up: Don't know how to proceed!
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