Sudoku 9×9 Hard — Set 1

Exercise 1

GridSize

9

Puzzle

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

Solution

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

Difficulty

hard

Meta

Givens: 22