int led1 = 1;
int led2 = 2;
int led3 = 3;
int led4 = 4;
int led5 = 5;
int led6 = 6;
int led7 = 7;
int led8 = 8;
int led9 = 9;
int led10 = 10;
int led11 = 11;
int button12 = 12;

void setup() {
  
   pinMode(led1,OUTPUT);
   pinMode(led2,OUTPUT);
   pinMode(led3,OUTPUT);
   pinMode(led4,OUTPUT);
   pinMode(led5,OUTPUT);
   pinMode(led6,OUTPUT);
   pinMode(led7,OUTPUT);
   pinMode(led8,OUTPUT);
   pinMode(led9,OUTPUT);
   pinMode(led10,OUTPUT);
   pinMode(led11,OUTPUT);
   pinMode(button12,INPUT);
   
}

void loop() 
{
  
  {
  int t=200;                           // Change this value to change speed of led moving in milliseconds
  digitalWrite(led1, HIGH );
  for (int j=0; j<=t; j++)
           {
          if (digitalRead(button12)==HIGH)
          {
                        fail();     
          }
          delay(1);
           }
  digitalWrite(led1, LOW );
  digitalWrite(led2,HIGH);
  for (int j=0; j<=t; j++)
           {
          if (digitalRead(button12)==HIGH)
          {
                        fail();     
          }
          delay(1);
           }
  digitalWrite(led2, LOW );
  digitalWrite(led3,HIGH);
  for (int j=0; j<=t; j++)
           {
          if (digitalRead(button12)==HIGH)
          {
                        fail();     
          }
          delay(1);
           }
  digitalWrite(led3, LOW );
   digitalWrite(led4,HIGH);
  for (int j=0; j<=t; j++)
           {
          if (digitalRead(button12)==HIGH)
          {
                        fail();     
          }
          delay(1);
           }
  digitalWrite(led4, LOW );
  digitalWrite(led5,HIGH);
  for (int j=0; j<=t; j++)
           {
          if (digitalRead(button12)==HIGH)
          {
                        fail();     
          }
          delay(1);
           }
  digitalWrite(led5, LOW );
  digitalWrite(led6,HIGH);
        for (int j=0; j<=t; j++)
           {
          if (digitalRead(button12)==HIGH)
          {
                        fail();     
          }
          delay(1);
           }
  digitalWrite(led6, LOW );
  digitalWrite(led7,HIGH);
  for (int j=0; j<=t; j++)
           {
          if (digitalRead(button12)==HIGH)
          {
                        win();     
          }
          delay(1);
           }
  digitalWrite(led7, LOW );
  digitalWrite(led8,HIGH);
  for (int j=0; j<=t; j++)
           {
          if (digitalRead(button12)==HIGH)
          {
                        fail();     
          }
          delay(1);
           }
  digitalWrite(led8, LOW );
  digitalWrite(led9,HIGH);
  for (int j=0; j<=t; j++)
           {
          if (digitalRead(button12)==HIGH)
          {
                        fail();     
          }
          delay(1);
           }
  digitalWrite(led9, LOW );
  digitalWrite(led10,HIGH);
  for (int j=0; j<=t; j++)
           {
          if (digitalRead(button12)==HIGH)
          {
                        fail();     
          }
          delay(1);
           }
  digitalWrite(led10, LOW );
  digitalWrite(led11,HIGH);
  for (int j=0; j<=t; j++)
           {
          if (digitalRead(button12)==HIGH)
          {
                        fail();     
          }
          delay(1);
           }
  digitalWrite(led11, LOW );
  }
 }

 void win()
 {
  int t=50;                           // speed of led blinking in milliseconds during winning the game       
    for (int i=0; i<=5; i++)
           {
  digitalWrite(led1, HIGH );
  delay(t);
  digitalWrite(led1, LOW );
  digitalWrite(led2,HIGH);
  delay(t);
  digitalWrite(led2, LOW );
  digitalWrite(led3,HIGH);
  delay(t);
  digitalWrite(led3, LOW );
   digitalWrite(led4,HIGH);
  delay(t);
  digitalWrite(led4, LOW );
  digitalWrite(led5,HIGH);
  delay(t);
  digitalWrite(led5, LOW );
  digitalWrite(led6,HIGH);
  delay(t);
  digitalWrite(led6, LOW );
  digitalWrite(led7,HIGH);
  delay(t);
  digitalWrite(led7, LOW );
  digitalWrite(led8,HIGH);
  delay(t);
  digitalWrite(led8, LOW );
  digitalWrite(led9,HIGH);
  delay(t);
  digitalWrite(led9, LOW );
  digitalWrite(led10,HIGH);
  delay(t);
  digitalWrite(led10, LOW );
  delay(t);
  digitalWrite(led11,HIGH);
  delay(t);
  digitalWrite(led11, LOW );
  delay(t);
          }
 }

 void fail()                          // speed of led blinking in milliseconds during loosing the game 
 {
  int t=250;
    for (int i=0; i<=5; i++)
           {
  digitalWrite(led1, HIGH );
  digitalWrite(led2,HIGH);
  digitalWrite(led3,HIGH);
  digitalWrite(led4,HIGH);
  digitalWrite(led5,HIGH);
  digitalWrite(led6,HIGH);
  digitalWrite(led7,HIGH);
  digitalWrite(led8,HIGH);
  digitalWrite(led9,HIGH);
  digitalWrite(led10,HIGH);
  digitalWrite(led11,HIGH);
  delay(t);
  digitalWrite(led1, LOW );
  digitalWrite(led2, LOW );
  digitalWrite(led3, LOW );
  digitalWrite(led4, LOW );
  digitalWrite(led5, LOW );
  digitalWrite(led6, LOW );
  digitalWrite(led7, LOW );
  digitalWrite(led8, LOW );
  digitalWrite(led9, LOW );
  digitalWrite(led10, LOW );
  digitalWrite(led11, LOW );
  delay(t);
          }
 }