would it have been possible to billard the 8 in, leaving the 3 somewhere more away from the rail, giving you a long shot to the other corner, but with automativ position of the cb at the opposite rail for the 4 into the same pocket as the 8?
sure, thats a risky way.
less risky: play the 3 with lot of left english, don't pot anything, just leave the cb behind the 9+4 while the 3 should go to the short rail in one line with the 9 / 4. without jump not possible so pot then the 3.