diff --git a/G-advanced/TODO b/G-concurrency/TODO
similarity index 100%
rename from G-advanced/TODO
rename to G-concurrency/TODO
diff --git a/H-advanced/TODO b/H-advanced/TODO
new file mode 100644
index 0000000..e69de29
diff --git a/G-advanced/static-mutex.rs b/H-advanced/static-mutex.rs
similarity index 100%
rename from G-advanced/static-mutex.rs
rename to H-advanced/static-mutex.rs
diff --git a/H-homework/Homework.md b/I-homework/Homework.md
similarity index 100%
rename from H-homework/Homework.md
rename to I-homework/Homework.md