const int LED5 = 26;
const int LED15 = 25;
const int LED14 = 33;
const int LED8 = 32;
const int LED7 = 35;
const int LED11 = 34;
const int LED10 = 23;
const int LED12 = 22;
const int LED13 = 21;
const int LED9 = 19;
const int LED4 = 18;
const int LED6 = 5;
int wartezeit = 1000;
void setup() {
pinMode(LED4, OUTPUT);
pinMode(LED5, OUTPUT);
pinMode(LED6, OUTPUT);
pinMode(LED7, OUTPUT);
pinMode(LED8, OUTPUT);
pinMode(LED9, OUTPUT);
pinMode(LED10, OUTPUT);
pinMode(LED11, OUTPUT);
pinMode(LED12, OUTPUT);
pinMode(LED13, OUTPUT);
pinMode(LED14, OUTPUT);
pinMode(LED15, OUTPUT);
}

void loop() {
digitalWrite(LED5, HIGH);
digitalWrite(LED6, HIGH);
delay(wartezeit);
digitalWrite(LED5, LOW);
digitalWrite(LED6, LOW);
digitalWrite(LED15, HIGH);
digitalWrite(LED4, HIGH);
delay(wartezeit);
digitalWrite(LED15, LOW);
digitalWrite(LED4, LOW);
digitalWrite(LED14, HIGH);
digitalWrite(LED9, HIGH);
delay(wartezeit);
digitalWrite(LED14, LOW);
digitalWrite(LED9, LOW);
digitalWrite(LED8, HIGH);
digitalWrite(LED13, HIGH);
delay(wartezeit);
digitalWrite(LED8, LOW);
digitalWrite(LED13, LOW);
digitalWrite(LED7, HIGH);
digitalWrite(LED12, HIGH);
delay(wartezeit);
digitalWrite(LED7, LOW);
digitalWrite(LED12, LOW);
digitalWrite(LED11, HIGH);
digitalWrite(LED10, HIGH);
delay(wartezeit);
digitalWrite(LED11, LOW);
digitalWrite(LED10, LOW);
delay(wartezeit);
}