As I was taught way back when the leads are crossed at about 45 degrees on the back. This helps keep the parts in place before soldering and supposedly makes the joint more reliable. You will also note some darks spots on the board. That is excess flux but care is required lest you burn the board or worse yet cause the pads to lift from the board.
Of course I screwed up the very first joint (the large diode on the right mid board). I had to remove this diode and replace it. Fortunately the 1N24A is very common component and was available at the local Fry's.
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