#include <Servo.h>
Servo A;
Servo B;
Servo C;
Servo D;
void setup() {
 A.attach(3);
 B.attach(5);
 C.attach(6);
 D.attach(9);
 A.write(0);
 B.write(0);
 C.write(0);
 D.write(0);
}

void loop() {
A.write(180);
delay(1000);
A.write(90);
delay(2000);
A.write(0);
delay(1000);
B.write(180);
delay(1000);
B.write(90);
delay(2000);
B.write(0);
delay(1000);
C.write(0);
delay(2000);
C.write(90);
delay(1000);
C.write(180);
delay(1000);
D.write(180);
delay(1000);
D.write(90);
delay(2000);
D.write(0);
delay(1000);
D.write(180);
delay(1000);
D.write(90);
delay(2000);
D.write(0);




}