This is a music inspired slide puzzle based on the C Chromatic scale where you really have to listen to be able to solve it!
For those that do not have perfect pitch (including myself), I have visually associated each tile according to Scriabin's sound-to-color associations.
A Flutter Puzzle Hack 2022 submission- try it out!
Chromatic Scale: https://en.wikipedia.org/wiki/Chromatic_scale
Semitone: https://en.wikipedia.org/wiki/Semitone