Hold the hub drive side up.
Drop an inbound spoke through a non-bevelled hole in the drive side flange.
Holding the hub drive side up and with the rim's drive side marking up, if the hole just right of the valve (viewed from the inside of the rim) is on top, screw the spoke into that hole. Otherwise screw it into the second hole right of the valve.
If the spoke is screwed into the hole just to the right of the valve hole, push an inbound spoke up through the non-drive flange hole just barely to the right (clockwise) of the drive side flange hole containing a spoke. If the spoke is screwed into the second hole right of the valve hole, push a spoke up through the non-drive flange hole just barely to the left (counterclockwise) of the drive side flange hole containing a spoke. Note that in this instruction, all directions such as "right", "left", "clockwise" and "counterclockwise" are as viewed by you from above the drive flange.
Screw the spoke from the non-drive flange into one of the first two rim holes right of the valve hole, depending on which is vacant.
Compare your wheel to the illustrations preceding these directions. If your wheel matches the illustration for the proper rim polarity, and if both spokes enter through non-bevelled holes (or if both sides of all holes are bevelled), you're done.
Once you're done, go on to the Lace the Rest of the Spokes section.