search by difficulty level

HOME　
＞　search by difficulty level

There are eight difficulty levels as follows.

→About the difficulty level


easy <— A1, A2, B1, B2, C1, C2, D1, D2 —> hard

A entry level
B beginner
C Intermediate
D advanced

A1
A2
B1
B2
C1
C2
D1
D2