With RS facing you, move the 34 CO sts from the left side of the needle to the right side,
you now have all 68 provisionals on one end, you're looking at the RS
knit the first 3 CO stitches so there are 3 more stitches at the end of the RS row,
knit 3 more stitches on the completed row
turn to beging Row 1, leaving the rest of the CO sts in place."
Turn, sort of like short rows, but the provisional cast on is what you're ignoring, work the row in pattern with the three you just knit before turning making it 3 stitches longer.
Maybe? I'm guessing you knit 3 from the provisional cast on and turn when you get to the end.
Someone who knows something will tell you what it means, surely.
You can't knit the left sock first. Ever.