OD1P - July 27 Problem
BillSpight: From the ''Dictionary of Tsumego Masterpieces'' (Kessaku Tsumego Jiten) by Sekiyama Ri-ichi and SekiyamaToshio.
BillSpight: From the ''Dictionary of Tsumego Masterpieces'' (Kessaku Tsumego Jiten) by Sekiyama Ri-ichi and SekiyamaToshio.