Difficulty Level
⬦⬦⬦⬦⬦⬦ N/A
⬥⬦⬦⬦⬦⬦ Easy
⬥⬥⬦⬦⬦⬦ Medium
⬥⬥⬥⬦⬦⬦ Hard
⬥⬥⬥⬥⬦⬦ Very Hard
⬥⬥⬥⬥⬥⬦ Master
⬥⬥⬥⬥⬥⬥ Grandmaster

Branch 0