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

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

Hidden Pair Explanation
Locked Candidates Explanation
Try To Solve This Puzzle

Solution Steps:

  1. Locked Candidates Type 1 (Pointing): 4 in b4 => r123c3<>4
  2. Locked Candidates Type 1 (Pointing): 1 in b6 => r123c7<>1
  3. Hidden Pair: 2,3 in r5c46 => r5c46<>5, r5c46<>8
  4. Hidden Pair: 6,7 in r46c5 => r46c5<>1, r46c5<>4
  5. Jellyfish: 9 r2468 c1379 => r1c37,r3c1379,r7c1379,r9c37<>9
  6. Give Up: Don't know how to proceed!
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