SUDOKU
// Backtracking Engine
Recursive solver & puzzle generator
DWG NO.
SUDOKU‑01
METHOD
BACKTRACK
GRID
9 × 9
DRAWN FOR GITHUB PAGES
1
2
3
4
5
6
7
8
9
A
B
C
D
E
F
G
H
I
81 CELLS
0 GIVEN
TIME
00:00
MOVES
0
✓ solved — grid complete and valid
1
2
3
4
5
6
7
8
9
⌫
Difficulty
Easy
Medium
Hard
Actions
Generate puzzle
Solve current grid
Reveal solution
Hint
Undo
Notes: off
Clear grid
Status
ready — enter numbers or generate a puzzle