[h3]Levels update[/h3] [list] [*]The hint feature is now available in w4. [*]Slightly changed 3-18, 3-18?, 3-19 and 3-H. [*]Adjusted ?₁₄, ?₂₀, ?₂₁, ?₂₂ and ?₂₃ in w3?. [/list] [h3]Other changes[/h3] [list] [*]The animation is no longer performed when redoing. [*]Corrected some text. [/list]