Complex sentence: On June 30,2011, KXLI and KYLI launched the new Jelli formats, with KXLI carrying a Rock format, while KYLI offers a Top 40 Remix.
Split into simpler sentences: On June 30,2011, KXLI and KYLI launched the new Jelli formats. KXLI carries a Rock format, while KYLI is Top 40 Remix.