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const int lampPin1 = 2;
const int lampPin2 = 3;
const int lampPin3 = 4;
const int lampPin4 = 5;
const int lampPin5 = 6;
const int lampPin6 = 7;
const int lampPin7 = 8;
const int lampPin8 = 9;
const int lampPin9 = 10;
const int lampPin10 = 11;
const int lampPin11 = 12;
const int lampPin12 = 13;

void setup() {
  // put your setup code here, to run once:
pinMode(lampPin1, OUTPUT);
pinMode(lampPin2, OUTPUT);
pinMode(lampPin3, OUTPUT);
pinMode(lampPin4, OUTPUT);
pinMode(lampPin5, OUTPUT);
pinMode(lampPin6, OUTPUT);
pinMode(lampPin7, OUTPUT);
pinMode(lampPin8, OUTPUT);
pinMode(lampPin9, OUTPUT);
pinMode(lampPin10, OUTPUT);
pinMode(lampPin11, OUTPUT);
pinMode(lampPin12, OUTPUT);
}

void loop() {
  // put your main code here, to run repeatedly:
digitalWrite(lampPin1,HIGH);
delay(1000);
digitalWrite(lampPin1,LOW);
delay(1000);
digitalWrite(lampPin2,HIGH);
delay(1000);
digitalWrite(lampPin2,LOW);
delay(1000);
digitalWrite(lampPin3,HIGH);
delay(1000);
digitalWrite(lampPin3,LOW);
delay(1000);
digitalWrite(lampPin4,HIGH);
delay(1000);
digitalWrite(lampPin4,LOW);
delay(1000);
digitalWrite(lampPin5,HIGH);
delay(1000);
digitalWrite(lampPin5,LOW);
delay(1000);
digitalWrite(lampPin6,HIGH);
delay(1000);
digitalWrite(lampPin6,LOW);
delay(1000);
digitalWrite(lampPin7,HIGH);
delay(1000);
digitalWrite(lampPin7,LOW);
delay(1000);
digitalWrite(lampPin8,HIGH);
delay(1000);
digitalWrite(lampPin8,LOW);
delay(1000);
digitalWrite(lampPin9,HIGH);
delay(1000);
digitalWrite(lampPin9,LOW);
delay(1000);
digitalWrite(lampPin10,HIGH);
delay(1000);
digitalWrite(lampPin10,LOW);
delay(1000);
digitalWrite(lampPin11,HIGH);
delay(1000);
digitalWrite(lampPin11,LOW);
delay(1000);
digitalWrite(lampPin12,HIGH);
delay(1000);
digitalWrite(lampPin12,LOW);
delay(1000);
}