What airplane has three propeller driven engines on the front of each wing?

WW2 German Me-323 transport aircraft. See Link: http://www.constable.ca/me323.htm German Blohm & Voss BV-238 VI, a new very-long-range bomber that was supposed to be able to attack New York. German Blohm & Voss BV 222 - a six engine seaplane. Latécoère 521 - six-engined prototype large flying boat (France 1935) Latécoère 522 & also 523 Short S.14 Sarafand - six-engined long-range flying boat (Britian 1932) ANT-20 "Maxim Gorky" built by Russian in 1934. Barling Bomber, a six engine monster built by Wittemann Corporation, was then the largest airplane of its type in the world in 1920. ANT-16 (TB-4) built by Russia in 1933. Oh but this one had Four wing-mounted engines supplemented the two engines mounted in tandem above the fuselage. Convair's B-36 bomber. Propeller driven but turbo-prop engines. Consolidated Vultee Aircraft Corporation XC-99 with the props mounted on trailing edge of wings was A transport version of the Convair's B-36 bomber.