There's a toe-up and a top-down version in the pattern. I used the toe-up pattern because that's the way I'm most familiar with. It goes by really quickly, with just over 2 hours per sock :)

http://knitfreedom1.knitfreedom.netdna-cdn.com/wp-content/uploads/2011/08/Bulky-Weight%20Socks%20for%20Magic%20Loop,%20TOE-UP%20or%20TOP-DOWN.pdf