PNG  IHDR4&z0PLTE@@@ftRNSS pHYsetEXtTitleInftyEditor MathImageytEXtAuthorAdministrator*JtEXtDescription $ a_{11}\equiv 0{\rm mod}2, a_{20}+a_{10}\equiv 1{\rm mod}2 $96tEXtCopyrightInftyProject@$tEXtCreation Time r'rr'rr IDATxm Y." P5b?g"k5wth!0n̙Z!?ZX'8~Ghj&6]B6$ ̊'.妓*h;N$ Cc`x M>GSxZWnbE4k674^.1Vh¤WGrpf4rh2(tqhMuh]!p2'Psh~ޤ xj릉深 hFl:c!oЬVzB&VgFI١ohF':k184`DHvYd5s5gn3. uhEv A:f4&)BeBM젡P)&4t-*V_4,CJ35Mc,hӥ*t]'Az4 5ʦ WL4Xc0 Ʃ>O_E[ ' NGF#$8v%;_J+Q4J K[mWfNHxChy;h[v(IENDB`