Sudoku no. 6 - uploaded: 21 March2007 - easy to tough
sudoku no. 6
Sudoku no. 5 - uploaded: 9 December 2007 - easy to tough
sudoku no. 5
Sudoku no. 4 - uploaded: 30 November 2007 - easy to medium
sudoku no. 4
Sudoku no. 3 - uploaded: 30 september 2007 - easy to average
sudoku no. 3
Sudoku no. 2 - uploaded: 30 august 2007 - easy to tough
sudoku no. 2
Sudoku no. 1 - uploaded: 30 april 2007 - easy
sudoku no. 1
