Arduino LED Bargraph Counter

//Arduino Nano LED Bargraph Counter
/*This counter counts from 0 to 10 by completing all LED Bargraph segments and so on */
void setup() {
  pinMode(11, OUTPUT);
  pinMode(10, OUTPUT);
  pinMode(9, OUTPUT);
  pinMode(8, OUTPUT);
  pinMode(7, OUTPUT);
  pinMode(6, OUTPUT);
  pinMode(5, OUTPUT);
  pinMode(4, OUTPUT);
  pinMode(3, OUTPUT);
  pinMode(2, OUTPUT);
  pinMode(12, OUTPUT);
}
void loop() {
  // write '1'
digitalWrite(11, 1);
digitalWrite(10, 0);
digitalWrite(9, 0);
digitalWrite(8, 0);
digitalWrite(7, 0);
digitalWrite(6, 0);
digitalWrite(5, 0);
digitalWrite(4, 0);
digitalWrite(3, 0);
digitalWrite(2, 0);
digitalWrite(12, 0);
delay(1000);
  // write '2'
digitalWrite(11, 1);
digitalWrite(10, 1);
digitalWrite(9, 0);
digitalWrite(8, 0);
digitalWrite(7, 0);
digitalWrite(6, 0);
digitalWrite(5, 0);
digitalWrite(4, 0);
digitalWrite(3, 0);
digitalWrite(2, 0);
digitalWrite(12, 0);
 delay(1000);
  // write '3'
 digitalWrite(11, 1);
digitalWrite(10, 1);
digitalWrite(9, 1);
digitalWrite(8, 0);
digitalWrite(7, 0);
digitalWrite(6, 0);
digitalWrite(5, 0);
digitalWrite(4, 0);
digitalWrite(3, 0);
digitalWrite(2, 0);
digitalWrite(12, 0);
 delay(1000);
  // write '4'
 digitalWrite(11, 1);
digitalWrite(10, 1);
digitalWrite(9, 1);
digitalWrite(8, 1);
digitalWrite(7, 0);
digitalWrite(6, 0);
digitalWrite(5, 0);
digitalWrite(4, 0);
digitalWrite(3, 0);
digitalWrite(2, 0);
digitalWrite(12, 0);
 delay(1000);
 // write '5'
 digitalWrite(11, 1);
digitalWrite(10, 1);
digitalWrite(9, 1);
digitalWrite(8, 1);
digitalWrite(7, 1);
digitalWrite(6, 0);
digitalWrite(5, 0);
digitalWrite(4, 0);
digitalWrite(3, 0);
digitalWrite(2, 0);
digitalWrite(12, 0);
delay(1000);
 // write '6'
digitalWrite(11, 1);
digitalWrite(10, 1);
digitalWrite(9, 1);
digitalWrite(8, 1);
digitalWrite(7, 1);
digitalWrite(6, 1);
digitalWrite(5, 0);
digitalWrite(4, 0);
digitalWrite(3, 0);
digitalWrite(2, 0);
digitalWrite(12, 0);
 delay(1000);
 // write '7'
digitalWrite(11, 1);
digitalWrite(10, 1);
digitalWrite(9, 1);
digitalWrite(8, 1);
digitalWrite(7, 1);
digitalWrite(6, 1);
digitalWrite(5, 1);
digitalWrite(4, 0);
digitalWrite(3, 0);
digitalWrite(2, 0);
digitalWrite(12, 0);
 delay(1000);
 // write '8'
digitalWrite(11, 1);
digitalWrite(10, 1);
digitalWrite(9, 1);
digitalWrite(8, 1);
digitalWrite(7, 1);
digitalWrite(6, 1);
digitalWrite(5, 1);
digitalWrite(4, 1);
digitalWrite(3, 0);
digitalWrite(2, 0);
digitalWrite(12, 0);
 delay(1000);
 // write '9'
 digitalWrite(11, 1);
digitalWrite(10, 1);
digitalWrite(9, 1);
digitalWrite(8, 1);
digitalWrite(7, 1);
digitalWrite(6, 1);
digitalWrite(5, 1);
digitalWrite(4, 1);
digitalWrite(3, 1);
digitalWrite(2, 0);
digitalWrite(12, 0);
 delay(1000);
  // write '10'
 digitalWrite(11, 1);
digitalWrite(10, 1);
digitalWrite(9, 1);
digitalWrite(8, 1);
digitalWrite(7, 1);
digitalWrite(6, 1);
digitalWrite(5, 1);
digitalWrite(4, 1);
digitalWrite(3, 1);
digitalWrite(2, 1);
digitalWrite(12, 0);
 delay(1000);
}