[h3]Levels update[/h3] [list] [*]The hint feature is now available in w3. [*]Changed w3 and Added 3-17, 3-18, 3-19 and 3-H. [/list] [h3]Other changes[/h3] [list] [*]Fixed a bug that sometimes caused inconsistencies when undoing the turn you clear or reach levels. [b]Note that this change now causes undo to rewind the progress if you undo the turn you clear or reach levels.[/b] [*]After reaching 3-5, [spoiler]the history of the level transition are now displayed while holding shift[/spoiler]. [*]Implemented redo. [*]Fixed a bug that camera doesn't work properly under a certain situation. [/list]