Nonogram 2

Invalid date

1.23 Bug Fixes
1.20 Update 10X10, 15X15, 20X20
1.16 You can freely choose the level you want.
1.15 Update 15X15, 20X20
1.13 Remove all X mark created by the "auto-fill" when Undo
1.12 Added auto-fill feature.
Update 15X15, 20X20
1.10 Added auto-save feature.
20x20's additional images