Kaylee Koyen rolled a girls' season-high 723 series and 11-year-old Allison Dempski fired a 633 series to highlight Madison area bowling over the weekend. Koyen chained games of 258, 217 and 248 at Prairie Lanes to top her own 722 as the girls' season-high series. Koyen also had a 663 in another league at Prairie. Dempski linked games of 196, 188 and 249, also at Prairie....