#include <Servo.h>
Servo myservo1,myservo2,myservo3;
Servo myservo4,myservo5,myservo6;
int pos,pos1;
void setup() {
  // put your setup code here, to run once:
Serial.begin(9600);
myservo1.attach(10);
myservo2.attach(11);
myservo3.attach(9);
myservo4.attach(6);
myservo5.attach(5);
myservo6.attach(3);
}

void loop() {
  // put your main code here, to run repeatedly:
for(pos=0;pos<=180;pos++)
{
  myservo1.write(pos);
  myservo2.write(pos);
  myservo3.write(pos);
  delay(10);
}
for(pos1=0;pos1<=180;pos1++)
{
  myservo4.write(pos1);
  myservo5.write(pos1);
  myservo6.write(pos1);
  delay(10);
}
for(pos=180;pos>=0;pos--)
{
  myservo1.write(pos);
  myservo2.write(pos);
  myservo3.write(pos);
  delay(10);
}
}