CIRC-02 code

const int numTypes = 6;

int state0[] = {0x01, 0x02, 0x04, 0x08, 0x10, 0x08, 0x04, 0x02};
int state1[] = {0x15, 0x0a};
int state2[] = {0x1e, 0x1d, 0x1b, 0x17, 0x0f, 0x17, 0x1b, 0x1d};
int state3[] = {0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f,
                0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, 0x18, 0x19, 0x1a, 0x1b, 0x1c, 0x1d, 0x1e, 0x1f};
int state4[] = {0x01, 0x02, 0x04, 0x08, 0x10,
                0x11, 0x12, 0x14, 0x18,
                0x19, 0x1a, 0x1c,
                0x1d, 0x1e,
                0x1f,
                0x00, 0x1f, 0x00, 0x1f, 0x00, 0x1f, 0x00, 0x1f, 0x00};
int state5[] = {0x00};

int *states[numTypes] = {state0, state1, state2, state3, state4, state5};
int stateSize[numTypes] = {8, 2, 8, 32, 24, 1};

int stateType = 0;
int stateIdx = 0;

void setup() {
  Serial.begin(9600);
  pinMode(13, INPUT);
  pinMode(8, OUTPUT);
  pinMode(9, OUTPUT);
  pinMode(10, OUTPUT);
  pinMode(11, OUTPUT);
  pinMode(12, OUTPUT);
}

// Get a debounced button press
bool isPressed(void)
{
  if (digitalRead(13))
  {
    while(1)
    {
      delay(100);
      if (!digitalRead(13))
        return true;
    }
  }

  return false;
}

void loop() {
  while (1)
  {
    for (int iOff = 0; iOff < 5; iOff++)
    {
      if (!((1<<iOff) & states[stateType][stateIdx]))
        digitalWrite(8+iOff, LOW);
    }
    for (int iOn = 0; iOn < 5; iOn++)
    {
      if ((1<<iOn) & states[stateType][stateIdx])
        digitalWrite(8+iOn, HIGH);
    }
    stateIdx = (stateIdx+1) % stateSize[stateType];

    delay(100);
    if (isPressed())
      break;
  }

  stateType = (stateType+1) % numTypes;
}