What do paired number tables help us to understand?

Marco Hernandez

sandra.alfaro

johna.blackburn

alaa.m.nassar

helton.chelsea

sklas0

estudnicky

christian_nunez

tomasson

mhines

mmerrill

esmith

azahn6

aamyette

lwilbur

marklee.galian

jcornelius

joanne.doherty

amyguzowski