const int A1L1 = A5;
const int A1L2 = A4;
const int A1L3 = A3;
const int A2L1 = A2;
const int A2L2 = A1;
const int A2L3 = A0;

int pause = 1000;

void setup() {
pinMode(A1L1, OUTPUT);
pinMode(A1L2, OUTPUT);
pinMode(A1L3, OUTPUT);
pinMode(A2L1, OUTPUT);
pinMode(A2L2, OUTPUT);
pinMode(A2L3, OUTPUT);
}

void loop() {
A1S1();
A1S2();
A1S3();
A1S4();
A1S1();
A2S1();
A2S2();
A2S3();
A1S1();

}
void A1S1() {
  analogWrite(A1L1, 255);
  analogWrite(A1L2, 0);
  analogWrite(A1L3, 0);
  analogWrite(A2L1, 255);
  analogWrite(A2L2, 0);
  analogWrite(A2L3, 0);
  delay(500);
}
void A1S2() {
  analogWrite(A1L1, 255);
  analogWrite(A1L2, 255);
  analogWrite(A1L3, 0);
  analogWrite(A2L1, 255);
  analogWrite(A2L2, 0);
  analogWrite(A2L3, 0);
  delay(500);
}
void A1S3() {
  analogWrite(A1L1, 0);
  analogWrite(A1L2, 0);
  analogWrite(A1L3, 255);
  analogWrite(A2L1, 255);
  analogWrite(A2L2, 0);
  analogWrite(A2L3, 0);
  delay(500);
}
void A1S4() {
  analogWrite(A1L1, 0);
  analogWrite(A1L2, 255);
  analogWrite(A1L3, 0);
  analogWrite(A2L1, 255);
  analogWrite(A2L2, 0);
  analogWrite(A2L3, 0);
  delay(500);
}
//////////////////////////////////////////////
void A2S1() {
  analogWrite(A1L1, 255);
  analogWrite(A1L2, 0);
  analogWrite(A1L3, 0);
  analogWrite(A2L1, 255);
  analogWrite(A2L2, 255);
  analogWrite(A2L3, 0);
  delay(500);
}
void A2S2() {
  analogWrite(A1L1, 255);
  analogWrite(A1L2, 0);
  analogWrite(A1L3, 0);
  analogWrite(A2L1, 0);
  analogWrite(A2L2, 0);
  analogWrite(A2L3, 255);
  delay(500);
}
void A2S3() {
  analogWrite(A1L1, 255);
  analogWrite(A1L2, 0);
  analogWrite(A1L3, 0);
  analogWrite(A2L1, 0);
  analogWrite(A2L2, 255);
  analogWrite(A2L3, 0);
  delay(500);
}