Preliminary rounds at NFL Nationals in Las Vegas end this morning and the elimination rounds begin this afternoon. The pairings will be meaningless if we only know that N999 is debating N888. We need your help breaking the codes. Here is what we have compiled so far:

N128 - Walt Whitman - Ben Lewis & Elena Stojic
N129 - Walt Whitman - Rachel Umans & Tom Niblock
N152 - Okoboji - Melissa Osman & Leah Hilsabeck
N202 - Wayzata SW - ? & ?
N256 - Ft. Lauderdale - Lonex Luisidor & Anthony Fye
N266 - Durham Academy - Josh Zoffer & Robert Kindman
N279 - Vermillion - Maggie Green & Jane Reasoner
N281 - Springfield Central - Samantha Maerz & Brian McGarry
N282 - Springfield Central - Lindsay Zhang & Dan Schultz
N302 - Manchester Essex - James Pates & Robert Longcor

Please help us fill in the gaps by commenting on this post to add additional information.