INSERT into spatial_ref_sys (srid, auth_name, auth_srid, proj4text, srtext) values (20021, 'EPSG', 20021, '+proj=tmerc +lat_0=0 +lon_0=123 +k=1 +x_0=21500000 +y_0=0 +ellps=krass +towgs84=24.47,-130.89,-81.56,0,0,-0.13,-0.22 +units=m +no_defs +type=crs', 'PROJCS["Pulkovo 1995 / Gauss-Kruger zone 21",GEOGCS["Pulkovo 1995",DATUM["Pulkovo_1995",SPHEROID["Krassowsky 1940",6378245,298.3],TOWGS84[24.47,-130.89,-81.56,0,0,-0.13,-0.22]],PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","4200"]],PROJECTION["Transverse_Mercator"],PARAMETER["latitude_of_origin",0],PARAMETER["central_meridian",123],PARAMETER["scale_factor",1],PARAMETER["false_easting",21500000],PARAMETER["false_northing",0],UNIT["metre",1,AUTHORITY["EPSG","9001"]],AUTHORITY["EPSG","20021"]]');