#define r_ns 2
#define y_ns 3
#define g_ns 4

#define r_ew 5
#define y_ew 6
#define g_ew 7

#define sensor_east 10
#define sensor_west 11

#define time_base 1000

void setup() {
  // put your setup code here, to run once:
  pinMode(r_ns, OUTPUT);
  pinMode(y_ns, OUTPUT);
  pinMode(g_ns, OUTPUT);
  pinMode(r_ew, OUTPUT);
  pinMode(y_ew, OUTPUT);
  pinMode(g_ew, OUTPUT);
}

void ChangeLedValue(byte number){
  digitalWrite(r_ns, bitRead(number,5));
  digitalWrite(y_ns, bitRead(number,4));
  digitalWrite(g_ns, bitRead(number,3));
  digitalWrite(r_ew, bitRead(number,2));
  digitalWrite(y_ew, bitRead(number,1));
  digitalWrite(g_ew, bitRead(number,0));
}
void LightSequence(){
  ChangeLedValue(B001100);
  delay(time_base * 10);

  ChangeLedValue(B010100);
  delay(time_base * 1);

  ChangeLedValue(B100100);
  delay(time_base * 1);

  ChangeLedValue(B100001);
  delay(time_base * 5);

  ChangeLedValue(B100010);
  delay(time_base * 1);

  ChangeLedValue(B100100);
  delay(time_base * 1);
}

void loop() {
  // put your main code here, to run repeatedly:
  if(digitalRead(10) == 1 || digitalRead(11) == 1)
    i = i + 1;
    delay(20);
  else
    i = 0;
  if(i == 50)
    LightSequence();
  }
}