https://osu.ppy.sh/beatmapsets/740990#osu/1563134
unrankable slidershapes in crazyrabbit's difficulty
https://osu.ppy.sh/beatmapsets/740990/discussion/1563134/timeline#/132555
unrankable slidershapes in crazyrabbit's difficulty
https://osu.ppy.sh/beatmapsets/740990/discussion/1563134/timeline#/132555