hard 4×4 Set 31 Form Exercise

Complete the sudoku grid (9x9): each row, column, and box must contain each digit exactly once. Grid: [_ _ 2 1 | _ _ _ 4 | 2 4 _ _ | _ _ 4 2]

Show answer

Answer: 4 3 2 1 | 1 2 3 4 | 2 4 1 3 | 3 1 4 2

SubType
sudoku
Difficulty
hard
Grid
  • [0,0,2,1]
  • [0,0,0,4]
  • [2,4,0,0]
  • [0,0,4,2]
SolvedGrid
  • [4,3,2,1]
  • [1,2,3,4]
  • [2,4,1,3]
  • [3,1,4,2]
GridSize
4