Midrash for Genesis 44:12

וַיְחַפֵּ֕שׂ בַּגָּד֣וֹל הֵחֵ֔ל וּבַקָּטֹ֖ן כִּלָּ֑ה וַיִּמָּצֵא֙ הַגָּבִ֔יעַ בְּאַמְתַּ֖חַת בִּנְיָמִֽן׃

And he searched, beginning at the eldest, and leaving off at the youngest; and the goblet was found in Benjamin’s sack.

Bereishit Rabbah