2023 1st Class Architect (Sogoshikaku) Problem Collection (No Writing) 2023 1st Class Architect Problem Collection: Planning 2023 1st Class Architect Problem Collection: Environment/Equipment 2023 1st Class Architect Problem Collection: Regulations 2023 1st Class Architect Problem Collection: Structure 2023 1st Class Architect Problem Collection: Construction About the Problem Collection: This is a problem collection that categorizes the actual exams from the past 11 years, from 2022 to 2012, by topic. ◼️I've only flipped through it, and it has been stored on a bookshelf. There are no markings or writing.