void setup() 
{
pinMode(0,OUTPUT);
pinMode(1,OUTPUT);
pinMode(2,OUTPUT);
pinMode(3,OUTPUT);
pinMode(4,OUTPUT);
pinMode(5,OUTPUT);
pinMode(6,OUTPUT);
pinMode(7,OUTPUT);
pinMode(8,OUTPUT);
pinMode(9,OUTPUT);
pinMode(10,OUTPUT);
pinMode(11,OUTPUT);
}

void loop() 
{
  //north
  digitalWrite(0,HIGH);
  digitalWrite(10,HIGH);
  digitalWrite(2,HIGH);
  digitalWrite(3,HIGH);
  delay(2000);
  digitalWrite(0,LOW);
  digitalWrite(10,LOW);
  digitalWrite(2,LOW);
  digitalWrite(3,LOW);
  digitalWrite(4,HIGH);
  digitalWrite(5,HIGH);
  digitalWrite(6,HIGH);
  digitalWrite(7,HIGH);
  delay(2000);
  digitalWrite(4,LOW);
  digitalWrite(5,LOW);
  digitalWrite(6,LOW);
  digitalWrite(7,LOW);
  //east
  digitalWrite(0,HIGH);
  digitalWrite(1,HIGH);
  digitalWrite(2,HIGH);
  digitalWrite(11,HIGH);
  delay(2000);
  digitalWrite(0,LOW);
  digitalWrite(1,LOW);
  digitalWrite(2,LOW);
  digitalWrite(11,LOW);
  digitalWrite(4,HIGH);
  digitalWrite(5,HIGH);
  digitalWrite(6,HIGH);
  digitalWrite(7,HIGH);
  delay(2000);
  digitalWrite(4,LOW);
  digitalWrite(5,LOW);
  digitalWrite(6,LOW);
  digitalWrite(7,LOW);
  //south
  digitalWrite(0,HIGH);
  digitalWrite(1,HIGH);
  digitalWrite(9,HIGH);
  digitalWrite(3,HIGH);
  delay(2000);
  digitalWrite(0,LOW);
  digitalWrite(1,LOW);
  digitalWrite(9,LOW);
  digitalWrite(3,LOW);
  digitalWrite(4,HIGH);
  digitalWrite(5,HIGH);
  digitalWrite(6,HIGH);
  digitalWrite(7,HIGH);
  delay(2000);
  digitalWrite(4,LOW);
  digitalWrite(5,LOW);
  digitalWrite(6,LOW);
  digitalWrite(7,LOW);
  //west
  digitalWrite(8,HIGH);
  digitalWrite(1,HIGH);
  digitalWrite(2,HIGH);
  digitalWrite(3,HIGH);
  delay(2000);
  digitalWrite(8,LOW);
  digitalWrite(1,LOW);
  digitalWrite(2,LOW);
  digitalWrite(3,LOW);
  digitalWrite(4,HIGH);
  digitalWrite(5,HIGH);
  digitalWrite(6,HIGH);
  digitalWrite(7,HIGH);
  delay(2000);
  digitalWrite(4,LOW);
  digitalWrite(5,LOW);
  digitalWrite(6,LOW);
  digitalWrite(7,LOW);
  
}