Where does the excerpt happen in c minor in Chopin's etude?

In Chopin's Etude Op. 10, No. 12, often referred to as the "Revolutionary Etude," the excerpt prominently features c minor. This section is characterized by its dramatic and powerful chords, reflecting the emotional intensity Chopin intended to convey. The piece transitions through various sections, but the primary thematic material is rooted in c minor, driving the piece's urgency and passion.