A.2.2A~2.86A B.2.3A~2.9A C.4.5A~6.75A D.7.8A~8.7A
A.2.0A~2.5A B.2.2A~2.6A C.2.3A~2.9A D.7.8A~8.7A
A.2A B.3A C.4A D.≤6A