ParamNum:2
0-1-DROP TABLE IF EXISTS t1;
0-1-CREATE TABLE t1 (k INT PRIMARY KEY, v INT);
0-1-COMMIT;
1-1-BEGIN;
2-1-select * from t1 where v<2; 
3-2-BEGIN;
4-2-select * from t1 where v>2;
5-2-INSERT INTO t1 VALUES (0, 1);
6-1-INSERT INTO t1 VALUES (1, 3);
7-1-COMMIT;
8-2-COMMIT;
9-3-select * from t1 ORDER BY k;
10-3-COMMIT;

serializable {
2-null
4-1,3
9-0,1 1,3

2-0,1
4-null
9-0,1 1,3
}