S survey M maskall C cellsurvey showcand hidecand R rccheck P prun_cands_byrc B prun_cands_by3x3 D prun_dbl_pairs toggle debug reload game

G Goback F GoForward Go To Beginning Go To End Toggle Solve Disp Print

3x3	Needs	Empty
b11
b12
b13
b21
b22
b23
b31
b32
b33

row	Needs	Empty
r1
r2
r3
r4
r5
r6
r7
r8
r9

col	Needs	Empty
c1
c2
c3
c4
c5
c6
c7
c8
c9

1	2	3	4	5	6	7	8	9

Solve Trace

sudoku

• Sudoku Websites
  • Solving Every Sudoku Puzzle
  • sudoku.com
  • websudoku.com
  • sudoku.org.uk
  • recreativa.com.br/sudoku
  • SudoCue.net
  • World Puzzle Championship (wpc)
  • WPC Links
  • scanraid.com/sudoku

row	col	value	rule