B2-11F(1829)1829/38.91=4747-2.5-2=42.542.5*38.9=16541654-10=1644B2-9F(1806)1806/38.91=46.4146.41-2.5-2=41.9141.91*38.91=16311631-10=1621B3-11F(1966)1966/42=46.846.8-2.5-2=42.342.3*42=17771777-10=1767