Sudoku 9×9 Hard — Set 9

Exercise 1

GridSize

9

Puzzle

• [5,0,6,0,0,0,0,0,0]
• [0,1,0,0,7,0,4,0,0]
• [0,0,0,0,4,0,0,2,6]
• [2,0,0,0,8,9,0,4,0]
• [0,0,0,0,3,2,0,5,0]
• [7,5,0,0,0,0,0,0,8]
• [0,0,5,0,0,1,0,0,0]
• [0,0,0,0,0,0,0,7,0]
• [0,0,0,3,6,0,1,0,0]

Solution

• [5,4,6,2,9,8,7,1,3]
• [3,1,2,6,7,5,4,8,9]
• [8,9,7,1,4,3,5,2,6]
• [2,3,1,5,8,9,6,4,7]
• [6,8,4,7,3,2,9,5,1]
• [7,5,9,4,1,6,2,3,8]
• [9,7,5,8,2,1,3,6,4]
• [1,6,3,9,5,4,8,7,2]
• [4,2,8,3,6,7,1,9,5]

Difficulty

hard

Meta

Givens: 24