text: delete from test_1 where col3=1;
  delete from test_1 where col3=3;
  delete from test_1 where col3=5;
  delete from test_1 where col3=7;
  delete from test_1 where col3=13;
  delete from test_1 where col3=1;
  delete from test_1 where col3=3;
  delete from test_1 where col3=5;
  delete from test_1 where col3=7;
  delete from test_1 where col3=13;
  delete from test_1 where col3=1;
  delete from test_1 where col3=3;
  delete from test_1 where col3=5;
  delete from test_1 where col3=7;
  delete from test_1 where col3=13;
  delete from test_1 where col3=1;
  delete from test_1 where col3=3;
  delete from test_1 where col3=5;
  delete from test_1 where col3=7;
  delete from test_1 where col3=13;
  delete from test_1 where col3=1;
  delete from test_1 where col3=3;
  delete from test_1 where col3=5;
  delete from test_1 where col3=7;
  delete from test_1 where col3=13;
  delete from test_1 where col3=1;
  delete from test_1 where col3=3;
  delete from test_1 where col3=5;
  delete from test_1 where col3=7;
  delete from test_1 where col3=13;
  delete from test_1 where col3=1;
  delete from test_1 where col3=3;
  delete from test_1 where col3=5;
  delete from test_1 where col3=7;
  delete from test_1 where col3=13;
  delete from test_1 where col3=1;
  delete from test_1 where col3=3;
  delete from test_1 where col3=5;
  delete from test_1 where col3=7;
  delete from test_1 where col3=13;
  delete from test_1 where col3=1;
  delete from test_1 where col3=3;
  delete from test_1 where col3=5;
  delete from test_1 where col3=7;
  delete from test_1 where col3=13;
  delete from test_1 where col3=1;
  delete from test_1 where col3=3;
  delete from test_1 where col3=5;
  delete from test_1 where col3=7;
  delete from test_1 where col3=13;
  