/*int xz1[5] = {3,5,7,9,11};
int xz2[6] = {2,4,6,8,10,12};
int dd = 200;
//数组使用的
*/
void setup() {
  // put your setup code here, to run once:
/*pinMode(xz1[5], OUTPUT);
pinMode(xz2[6], OUTPUT); //数组使用的
*/
}

void loop()
 {
  // put your main code here, to run repeatedly:
  //借鉴别人的
 int t = 1;
  for (int i = 1; i <= 11; ++i) //循环11次，2~12盏灯
  {
    for(int j=2,k=0;k<11;++j,++k)//设置11盏灯的状态
    {
      digitalWrite(j,t>>k&1);
    }
    t<<=1;
    delay(250);
   }
    for (int i = 1; i <= 11; ++i) //循环11次,12~2盏灯
  {
    
    for(int j=2,k=0;k<11;++j,++k)//设置11盏灯的状态
    {
      digitalWrite(j,t>>k&1);
    }
    t>>=1;
    delay(250);               
  }
  //自己编写的
  /*for (int led = 2;  led < 13 ; ++led)
  {
   // pinMode(led,OUTPUT);
    digitalWrite(led, HIGH);
    delay(500);
    digitalWrite(led,LOW);
    delay(100);
     }
     for(int led = 11;led > 2;--led)
     {digitalWrite(led, HIGH);
     delay(500);
     digitalWrite(led, LOW);
     delay(100);
     }*/
  //数组，以及可选择的
/*for(int i = 0;i<5;i++){
  digitalWrite(xz1[i], HIGH);
  delay(dd);
  digitalWrite(xz1[i], LOW);
  delay(dd);
}
delay(dd);
for(int i = 0;i<6;i++){
  digitalWrite(xz2[i], HIGH);
  delay(dd);
  digitalWrite(xz2[i], LOW);
  delay(dd);
  }
  delay(dd);*/
 }