WHILETRUEB1key11w/test.txtf0,1,2,301001xd0,1,2,345intx50d01000040-1i70iONshift_left1MixlyxintxdfMixly10ff10B2key21r/test.txtf0,1,2,301001xsreadlinefsdintxs0,1,2,345intx50d01000040-1i70iONshift_left1fException as ee20{}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