int R[] = {2,7,A5,5,13,A4,12,A2};  
int C[] = {6,11,10,3,A3,4,8,9};    
  
unsigned char ris1[8][8] = {  
                                0,0,0,0,0,0,0,0,
                                0,1,1,0,0,1,1,0,
                                0,1,1,0,0,1,1,0,
                                0,0,0,0,0,0,0,0,
                                0,0,0,0,0,0,0,0,
                                0,1,0,0,0,0,1,0,
                                0,0,1,1,1,1,0,0,
                                0,0,0,0,0,0,0,0,
                            };  
  
unsigned char ris2[8][8] =  {
                                0,0,0,0,0,0,0,0,
                                0,1,1,0,0,0,0,0,
                                0,1,1,0,1,1,1,1,
                                0,0,0,0,0,0,0,0,
                                0,0,0,0,0,0,0,0,
                                0,1,0,0,0,0,1,0,
                                0,0,1,1,1,1,0,0,
                                0,0,0,0,0,0,0,0,
                            };  
  
void setup() {  
  for(int i = 0;i<8;i++)  {  
    pinMode(R[i],OUTPUT);  
    pinMode(C[i],OUTPUT);  
    }  
 }  
  
void loop(){  
  for(int i = 0 ; i < 70 ; i++) {  
    Display(ris1);  
     }  
  for(int i = 0 ; i < 70 ; i++) {     
    Display(ris2);
     }  
 }  
  
void Display(unsigned char dat[8][8]) {  
  for(int r = 0; r<8 ; r++) {  
    digitalWrite(R[r],LOW); 
      for(int c = 0;c<8;c++) {  
         digitalWrite(C[c],dat[r][c]);  
        }  
    delay(1);  
    Clear();
    }  
 }  
  
void Clear() {  
  for(int i = 0;i<8;i++)  {  
    digitalWrite(C[i],LOW);  
    digitalWrite(R[i],HIGH);  
   }  
 }