byte ledPin1 = 2; 
byte ledPin2 = 3;
byte ledPin3 = 4;
byte ledPin4 = 5;
byte ledPin5 = 6;
byte ledPin6 = 7;
byte ledPin7 = 8;
byte ledPin8 = 9; 
byte ledPin9 = 10;
byte ledPin10 = 11;

void setup() 
{
  for (byte x=2; x<=11; x=x+1)
  {
    pinMode(x, OUTPUT);
  }
}

void loop() 
{
 //B
 digitalWrite(7, HIGH);
 digitalWrite(8, HIGH);
 digitalWrite(9, LOW);
 digitalWrite(10, LOW);
 digitalWrite(11, LOW);
 digitalWrite(2, HIGH); digitalWrite(2, LOW);

 digitalWrite(7, HIGH);
 digitalWrite(8, LOW);
 digitalWrite(9, HIGH);
 digitalWrite(10, HIGH);
 digitalWrite(11, LOW);
 digitalWrite(3, HIGH); digitalWrite(3, LOW);

 digitalWrite(7, HIGH);
 digitalWrite(8, HIGH);
 digitalWrite(9, LOW);
 digitalWrite(10, LOW);
 digitalWrite(11, LOW);
 digitalWrite(4, HIGH); digitalWrite(4, LOW);

 digitalWrite(7, HIGH);
 digitalWrite(8, LOW);
 digitalWrite(9, HIGH);
 digitalWrite(10, HIGH);
 digitalWrite(11, LOW);
 digitalWrite(5, HIGH); digitalWrite(5, LOW);

 digitalWrite(7, HIGH);
 digitalWrite(8, HIGH);
 digitalWrite(9, LOW);
 digitalWrite(10, LOW);
 digitalWrite(11, LOW);
 digitalWrite(6, HIGH); digitalWrite(6, LOW);

}