int pins[]={2,4,5,18,19,22,23};
int data[10][7]={
  {1,0,0,1,1,1,1},//a,b,c,d,e,f,g(1)
  {0,0,1,0,0,1,0},//2
  {0,0,0,0,1,1,0},//3
  {1,0,0,1,1,0,0},//4
  {0,1,0,0,1,0,0},//5
  {0,1,0,0,0,0,0},//6
  {0,0,0,1,1,1,1},//7
  {0,0,0,0,0,0,0},//8
  {0,0,0,0,1,0,0},//9
  {0,0,0,0,0,0,1}//0
};
int y;
void setup() {
  // put your setup code here, to run once:
  Serial.begin(9600);
  for(int x=0; x<=6; x++)
  {
    pinMode(pins[x], OUTPUT);

  }
}

void loop() {
  for(int y=0; y<=9; y++)
  {
    for(int x=0; x<=6; x++)
  {
    digitalWrite(pins[x], data[y][x]);
  }
  Serial.println(y);
  delay(1000); // this speeds up the simulation
  }
}