Two Shift Registers

/*
 * Atiriya Iyer
 * Shift Register
 */

const int SER= 8; //sends data
const int LATCH=9; //activates register
int CLK= 10; //clock
unsigned int lights [8]= {1,2,4,8,16,32,64,128};
int delaytime= 500;
//, 64, 32,16,8,4,2};
//,256,512, 1024, 2048, 4096,8192,16384, 32768, 16384,8192, 4096,2048, 1024, 512, 256, 128,
int bar[15] = {0,1,3,7,15,31,63,127,255};

void setup()
{
  // put your setup code here, to run once:
  pinMode (SER, OUTPUT);
  pinMode (LATCH, OUTPUT);
  pinMode (CLK, OUTPUT);
  digitalWrite (LATCH, LOW);
  shiftOut (SER, CLK, MSBFIRST, 0);
  digitalWrite (LATCH, HIGH);

}
void loop()
{

  for (int i=0; i< 8; i++)
  {
    digitalWrite (LATCH, LOW);
    shiftOut (SER, CLK, MSBFIRST, 0);
    shiftOut (SER, CLK, MSBFIRST, lights[i]);
    digitalWrite (LATCH, HIGH);
    delay(delaytime);
  }
  for (int i=0; i< 8; i++)
  {
    digitalWrite (LATCH, LOW);
    shiftOut (SER, CLK, MSBFIRST, lights[i]);
    shiftOut (SER, CLK, MSBFIRST, 0);
    digitalWrite (LATCH, HIGH);
    delay(delaytime);
  }


  for (int i=6; i>=0; i--)
  {
    digitalWrite (LATCH, LOW);
    shiftOut (SER, CLK, MSBFIRST, lights[i]);
    shiftOut (SER, CLK, MSBFIRST, 0);
    digitalWrite (LATCH, HIGH);
    delay(delaytime);
  }

  for (int i=7; i>0; i--)
  {
    digitalWrite (LATCH, LOW);
    shiftOut (SER, CLK, MSBFIRST, 0);
    shiftOut (SER, CLK, MSBFIRST, lights[i]);
    digitalWrite (LATCH, HIGH);
    delay(delaytime);
  }

  for (int j=0; j< 9; j++)
  {
    digitalWrite (LATCH, LOW);
    shiftOut (SER, CLK, MSBFIRST, 0);
    shiftOut (SER, CLK, MSBFIRST, bar[j]);
    digitalWrite (LATCH, HIGH);
    delay(delaytime);
  }

  for (int j=0; j< 9; j++)
  {
    digitalWrite (LATCH, LOW);
    shiftOut (SER, CLK, MSBFIRST, bar[j]);
    shiftOut (SER, CLK, MSBFIRST, 255);
    digitalWrite (LATCH, HIGH);
    delay(delaytime);
  }

  for (int j=7; j>=0; j--)
  {
    digitalWrite (LATCH, LOW);
    shiftOut (SER, CLK, MSBFIRST, bar[j]);
    shiftOut (SER, CLK, MSBFIRST, 255);
    digitalWrite (LATCH, HIGH);
    delay(delaytime);
  }

  for (int j=8; j>=0; j--)
  {
    digitalWrite (LATCH, LOW);
    shiftOut (SER, CLK, MSBFIRST, 0);
    shiftOut (SER, CLK, MSBFIRST, bar[j]);
    digitalWrite (LATCH, HIGH);
    delay(delaytime);
  }
}