김만수바둑
포석행마맥침투https://youtube.com/playlist?list=PLcoGs_j_5VSnzF6ndQ54eJC0eJZmkc-QR김만수도장강의https://youtube.com/playlist?list=PLcoGs_j_5VSkcxYBalIpOPzoCjY14TJI_&si=EnSIkaIECMiOmarE