INSERT into spatial_ref_sys (srid, auth_name, auth_srid, proj4text, srtext) values (24881, 'EPSG', 24881, '+proj=utm +zone=21 +south +ellps=intl +towgs84=-298,159,-369,0,0,0,0 +units=m +no_defs +type=crs', 'PROJCS["PSAD56 / UTM zone 21S",GEOGCS["PSAD56",DATUM["Provisional_South_American_Datum_1956",SPHEROID["International 1924",6378388,297],TOWGS84[-298,159,-369,0,0,0,0]],PRIMEM["Greenwich",0,AUTHORITY["EPSG","8901"]],UNIT["degree",0.0174532925199433,AUTHORITY["EPSG","9122"]],AUTHORITY["EPSG","4248"]],PROJECTION["Transverse_Mercator"],PARAMETER["latitude_of_origin",0],PARAMETER["central_meridian",-57],PARAMETER["scale_factor",0.9996],PARAMETER["false_easting",500000],PARAMETER["false_northing",10000000],UNIT["metre",1,AUTHORITY["EPSG","9001"]],AXIS["Easting",EAST],AXIS["Northing",NORTH],AUTHORITY["EPSG","24881"]]');