BEGIN

    DECLARE i int DEFAULT 1;

    DECLARE j int DEFAULT 1;

    WHILE i<15 DO

        WHILE j<5 DO

            INSERT *** VALUES(NULL,'***',i,j,0);

            SET j=j+1;

            IF (i=14 AND j=3) THEN

                SET j=5;

            END IF;

        END WHILE;

        SET j=1;

        SET i=i+1;

    END WHILE;

END