int tekan = 0;
void setup() {
for(int x=2; x<=13; x++){
  pinMode(x, OUTPUT);
    pinMode(1, INPUT);
    }
    }
    void loop() {
      // put your main code here, to run repeatedly:
      if(digitalRead(1)==HIGH){
        tekan = tekan +1;
          delay(100);
          }
          else if(tekan == 4){
            tekan =0;
            }
            if(tekan == 1){
              for(int x=2; x<=13; x++){
                  digitalWrite(x,HIGH);
                      delay(100);
                          digitalWrite(x, LOW);
                            }
                            }
                            else if (tekan == 2){
                            for(int x=13; x>=2; x--){
                              digitalWrite(x, HIGH);
                                delay(100);
                                  digitalWrite(x,LOW);
                                    }
                                    }
                                    else if(tekan == 3){
                                      for(int x=2; x<=13; x++){
                                          digitalWrite(x, HIGH);
                                              delay(100);
                                                  digitalWrite(x, LOW);
                                                    }
                                                      for(int x=13; x>=2; x--){
                                                          digitalWrite(x, HIGH);
                                                              delay(100);
                                                                  digitalWrite(x, LOW);
                                                                    }
                                                                    }
                                                                    else if(tekan == 4){
                                                                      for(int x=2; x<=13; x++){
                                                                          digitalWrite(x,LOW);
                                                                            }
                                                                            }
                                                                            }