int pins1[] = {2, 3, 4, 5, 6, 7, 8};
int pins2[] = {9, 10, 11, 12, 13, A0, A1};

int digitSegments[16][8] = {
  {0, 0, 0, 0, 0, 0, 1},
  {1, 0, 0, 1, 1, 1, 1},
  {0, 0, 1, 0, 0, 1, 0},
  {0, 0, 0, 0, 1, 1, 0},
  {1, 0, 0, 1, 1, 0, 0},
  {0, 1, 0, 0, 1, 0, 0},
  {0, 1, 0, 0, 0, 0, 0},
  {0, 0, 0, 1, 1, 1, 1},
  {0, 0, 0, 0, 0, 0, 0},
  {0, 0, 0, 0, 1, 0, 0},
};

void setup() {
  for (int i=0; i < 8; i++){
    pinMode(pins1[i], OUTPUT);
    pinMode(pins2[i], OUTPUT);
  }
}

void print_sev1(int gg){
  for (int i=0; i < 8; i++)
    digitalWrite(pins1[i], digitSegments[gg][i]);
}

void print_sev2(int gg){
  for (int i=0; i < 8; i++)
    digitalWrite(pins2[i], digitSegments[gg][i]);
}

void spit_int(int xd){
  int right = xd/10;
  print_sev1(right);
  int left = xd-(right*10);
  print_sev2(left);
}

void loop() {
   for (int i=0; i < 100; i++) {
     spit_int(i);
     delay(500);
   }

}