PNG  IHDR2*t0PLTE@@@ftRNSS pHYsetEXtTitleInftyEditor MathImageytEXtAuthorAdministrator*&tEXtDescription $ \bm{2}^{\bm{2}\bm{n}} $|tEXtCopyrightInftyProject@$tEXtCreation Time r'rr'rr IDATx `Cm Hj?SDcjK\>5989cQiɛӲ=R Xerek4ZX”erOm#g9S&Y#kq%{RhvIOVX:QDcu/ O - 񭏾IENDB`