[h3]Levels update[/h3] [list] [*]Rearranged some extra levels in w8, and added 8-H. [*]Fixed 9-G to prevent an unintended solution. [*]Adjusted [spoiler]0-12[/spoiler] to solve a visibility problem due to [spoiler]the piston and the goal overlapping, making it hard to recognize the piston[/spoiler]. [/list]