Move back for 10 seconds Robocad

public class Main {
    public static void main(String[] args) throws InterruptedException {
        RobocadVMXTitan robot = new RobocadVMXTitan(false);

        long startTime = System.currentTimeMillis();
        // едет 10 секунд назад
        while (System.currentTimeMillis() - startTime < 10000){
            robot.setMotorSpeed0(30);
            robot.setMotorSpeed1(-30);
        }

        robot.setMotorSpeed0(0);
        robot.setMotorSpeed1(0);

        Thread.sleep(100);
        robot.stop();
    }
}