#define BUTTON_PIN 2

int counter = 0;
int lastButtonPressed = HIGH;


void setup() {
  Serial.begin(115200);
pinMode(BUTTON_PIN, INPUT_PULLUP);
pinMode(12, OUTPUT);
pinMode(8, OUTPUT);
pinMode(7, OUTPUT);
}

void loop() {
int ButtonPressed = digitalRead(BUTTON_PIN);
if (ButtonPressed==LOW && lastButtonPressed == HIGH){
  counter++;
  Serial.println(counter);
}
lastButtonPressed = ButtonPressed;
delay(5);

if (counter == 0){
        digitalWrite(12, LOW);
        digitalWrite(8, LOW);
        digitalWrite(7, HIGH);
        delay(200);
        digitalWrite(12, LOW);
        digitalWrite(8, HIGH);
        digitalWrite(7, LOW);
        delay(200);
        digitalWrite(12, HIGH);
        digitalWrite(8, LOW);
        digitalWrite(7, LOW);
        delay(200);
}

if (counter == 1){
        digitalWrite(12, HIGH);
        digitalWrite(8, HIGH);
        digitalWrite(7, HIGH);
        delay(200);
        digitalWrite(12, LOW);
        digitalWrite(8, LOW);
        digitalWrite(7, LOW);
        delay(200);
        digitalWrite(12, HIGH);
        digitalWrite(8, HIGH);
        digitalWrite(7, HIGH);
        delay(200);
}

if (counter == 2){
        digitalWrite(12, LOW);
        digitalWrite(8, HIGH);
        digitalWrite(7, HIGH);
        delay(200);
        digitalWrite(12, HIGH);
        digitalWrite(8, LOW);
        digitalWrite(7, HIGH);
        delay(200);
        digitalWrite(12, HIGH);
        digitalWrite(8, HIGH);
        digitalWrite(7, LOW);
        delay(200);

       
}

if (counter == 3){
counter = 0;     
}

}