Motif 2.6B Technical Report. - Junghwan Lim; Sungmin Lee; Dongseok Kim; Eunhwan Park; Hyunbyung Park; Junhyeok Lee; Wai Ting Cheung; Dahye Choi; Jaeheui Her; Jaeyeon Huh; Hanbin Jung; Changjin Kang; et al. (CoRR, 2025)