[h3]Levels update[/h3] [list] [*]Added [spoiler]0-21 and 0-22[/spoiler]. This update gives [spoiler]another route to clear w0[/spoiler]. [*]Changed 9-4. [*]Adjusted 8-2 and 8-13, and swapped 8-5 and 8-B so that it is easier to solve the normal levels of w8. [*]Fixed [spoiler]0-15[/spoiler] to prevent unintended solutions. [*]Adjusted some levels. (This does not affect the solutions.) [/list] [h3]Other changes[/h3] [list] [*]Added options to change the colors of hot and cold. [*]Added an option to change the appearance of [spoiler]sticky sides[/spoiler]. This option becomes available by clearing 2-1. [/list]