User blog comment:Remnant13/Remnant Puzzle Blog!/@comment-3424593-20140519174723

7th column and 4th row of Periodic table is Manganese with Atomic number 25 and atomic weight 54.93805. In 2009 there were 12 and a half lunar cycles, of which the full moons fell 3 times on a Sunday (January 11, June 7 and October 4). The ""the second ...th" fell on June 7 aka 07/06/2009 (for people in the US) or 06/07/2009 (for everyone else outside the US). The letter are written on blood, which 32% of is composed of hemoglobin. Hemoglobin's chemical formula is C738H1166N812O203S2Fe and I have no idea what I'm talking about but I'm going to guess an answer anyway. 25 55 6729 1166