#21 Hyper sudoku 9 x 9

Number of given: 19.

#22 Classic sudoku 16 x 16

Number of given: 96.

#23 Jigsaw sudoku 16 x 16

Number of given: 95.

#24 High five sudoku 9 x 9

Number of given: 141.

Solution #13.

Solution.

Solution #14.

Solution.

Solution #15.

Solution.

Solution #16.

Solution.

Solution #17.

Solution.

Solution #18.

Solution.

#13 Classic sudoku 9 x 9

Number of given: 27.

#14 Jigsaw sudoku 9 x 9

Number of given: 24.

#15 Hyper sudoku 9 x 9

Number of given: 24.

#16 Classic sudoku 16 x 16

Number of given: 100.

#17 Jigsaw sudoku 16 x 16

Number of given: 94.

#18 High five sudoku 9 x 9

Number of given: 158.

Solution #7.

Solution.

Solution #8.

Solution.

Solution #9.

Solution.

Solution #10.

Solution.

Solution #11.

Solution.

Solution #12.

Solution.

#7 Classic sudoku 9 x 9

Number of given: 24.

#8 Jigsaw sudoku 9 x 9

Number of given: 25.