void setup() {
  pinMode(14, INPUT);
  digitalWrite(14, HIGH);
  
  pinMode(10, OUTPUT);
  digitalWrite(10, LOW);

  pinMode(6, OUTPUT);
  digitalWrite(6, LOW);

  pinMode(7, OUTPUT);
  pinMode(9, OUTPUT);
  digitalWrite(7, HIGH);
  digitalWrite(9, LOW);
}

unsigned long finishTime = 0;

#define DEFAULT_WAIT 10
#define MAX_WAIT 2500

int waitTime = DEFAULT_WAIT;

unsigned long nextChange = 0;

int index = 0;

byte control[][3] = {{1,1,1},
                     {0,1,0},
                     {1,0,1},
                     {0,0,0},
                     {1,0,0},
                     {0,1,0},
                     {0,0,1},
                     {0,1,0},
                     {1,0,0},
                     {0,0,0},                     
                     {1,0,0},
                     {1,1,0},
                     {0,1,1},
                     {0,0,1},
                     {0,0,0},
                     {1,0,0},
                     {0,1,0},
                     {0,0,1},
                     {0,1,0},
                     {1,0,1},
                     {0,0,0},
                     {1,1,1},
                     {0,0,0},
                     {1,1,1},
                     {0,0,0},
                     {1,1,1},
                     {0,0,0},
                   };

void loop() {
  if ((digitalRead(14) == LOW) && (millis() > finishTime)) {
    //digitalWrite(10, !digitalRead(10));
    waitTime = waitTime * 2;
    if (waitTime > MAX_WAIT) {
      waitTime = DEFAULT_WAIT;
    }
    finishTime = millis() + 100;
    nextChange = millis() - 1;
  }
  
  if (millis() > nextChange) {
    digitalWrite(6, control[index][0]);
    digitalWrite(9, !control[index][1]);
    digitalWrite(10, control[index][2]);
    index = (index + 1) % (sizeof(control)/3);   
    nextChange = millis() + waitTime;
  }
}