YELLOW SEAM/V “OOCL LONDON”TRIAL VOYAGE FROM 010300UTC TO 021000UTC JUNIN AREA BOUNDED BY THE LINES JOINING. A:37°37′N,123°17′E; B:37°54′N,123°17′E; C:37°54′N,123°50′E; D:37°37′N,123°50′E,CAUTION ADVISED.