int pinA = 9;
int pinB = 8;
int pinC = 6;
int pinD = 4;
int pinE = 3;
int pinF = 11;
int pinG = 12;
int dp = 7;

void setup() {
  int i;
  Serial.begin(9600);
  for(i=3;i<=12;i++)
    pinMode(i, OUTPUT);
}

void all_low() {
  digitalWrite(pinA, LOW);
  digitalWrite(pinB, LOW);
  digitalWrite(pinC, LOW);
  digitalWrite(pinD, LOW);
  digitalWrite(pinE, LOW);
  digitalWrite(pinF, LOW);
  digitalWrite(pinG, LOW);
  digitalWrite(dp, LOW);
//  digitalWrite(3, 0);
//  digitalWrite(8, 0);
}

void all_high() {
  digitalWrite(pinA, HIGH);
  digitalWrite(pinB, HIGH);
  digitalWrite(pinC, HIGH);
  digitalWrite(pinD, HIGH);
  digitalWrite(pinE, HIGH);
  digitalWrite(pinF, HIGH);
  digitalWrite(pinG, HIGH);
  digitalWrite(dp, LOW);
}

void test() {
  int i;
  for (i = 1; i < 11; i++) digitalWrite(i,0);
  for (i = 1; i < 11; i++) {
    if (i == 3 || i == 8) continue;
    delay(500);
    digitalWrite(i, 1);
  }
}

void loop() {
  int i;
//  test();
  for (i = 0; i < 10; i++) {
    Serial.println(i);
    switch(i){
      case 0: all_high(); digitalWrite(pinG,LOW); break;
      case 1: all_low();  digitalWrite(pinB,HIGH); digitalWrite(pinC,HIGH); break;
      case 2: all_high(); digitalWrite(pinC,LOW); digitalWrite(pinF,LOW); break;
      case 3: all_high(); digitalWrite(pinE,LOW); digitalWrite(pinF,LOW); break;
      case 4: all_high(); digitalWrite(pinA,LOW); digitalWrite(pinD,LOW); digitalWrite(pinE,LOW); break;
      case 5: all_high(); digitalWrite(pinE,LOW); digitalWrite(pinB,LOW); break;
      case 6: all_high(); digitalWrite(pinB,LOW); break;
      case 7: all_low();  digitalWrite(pinA,HIGH); digitalWrite(pinB,HIGH); digitalWrite(pinC,HIGH); break;
      case 8: all_high(); break;
      case 9: all_high(); digitalWrite(pinE,LOW); break;
    }
    delay(500);
  }
}