int t = 0;
void setup()
{
  for(int x = 10 ; x<=13 ; x++){
  pinMode(7,INPUT);}
  pinMode (10 , OUTPUT);
  pinMode (11, OUTPUT);
  pinMode (12 , OUTPUT);
  pinMode(13, OUTPUT);
}

void loop()
{
  if (digitalRead(13)==HIGH){
    t++;
    delay(100);}
    
if (t==1){
  pattern1();}
if (t==2){
  pattern2();}
if (t==3){
  pattern3();}
if (t==4){
  pattern4();}
if (t==5){
  pattern5();}}
void pattern1(){
  for(int x = 10; x<=13 ; x++){
    digitalWrite(x, HIGH);
    delay(100);
    digitalWrite(x, LOW);
    delay(100);}}
    
void pattern2(){    
  for(int x = 10; x<=13 ; x++){
    digitalWrite(x, HIGH);
    delay(100);
    digitalWrite(x, LOW);}
  for(int x = 13; x>=10 ; x--){
    digitalWrite(x, HIGH);
    delay(100);
    digitalWrite(x, LOW);}}
    
void pattern3(){
  for(int x = 10; x<=13 ; x=x+2){
    digitalWrite(x, HIGH);
    delay(100);
    digitalWrite(x, LOW);
    delay(100);}
  for(int x = 13; x>=10 ; x=x-2){
    digitalWrite(x, HIGH);
    delay(100);
    digitalWrite(x, LOW);
    delay(100);}}
    
void pattern4(){
    digitalWrite(10, HIGH);
  digitalWrite(13, HIGH);
  delay(100);
  digitalWrite(10, LOW);
  digitalWrite(13, LOW);
  delay(100);
  digitalWrite(11, HIGH);
  digitalWrite(12, HIGH);
  delay(100);
  digitalWrite(11, LOW);
  digitalWrite(12, LOW);
  delay(100);
  digitalWrite(11, HIGH);
  digitalWrite(12, HIGH);
  delay(100);
  digitalWrite(11, LOW);
  digitalWrite(12, LOW);
  delay(100);
  digitalWrite(10, HIGH);
  digitalWrite(13, HIGH);
  delay(100);
  digitalWrite(10, LOW);
  digitalWrite(13, LOW);
  delay(100);}
void pattern5 (){
 digitalWrite(10, LOW);
 digitalWrite(11, LOW);
 digitalWrite(12, LOW);
 digitalWrite(13, LOW);
 t=0;}