  so led 0 to 7 will be in the column 0 and so on.
  */
 void randomLed2(){
-  byte led = random(0,63);
+  byte led = random(24,63);
   byte val = 0;
   if (tm.getLed(led) == 1){
     val = 0;

  else {
    val = 1;
  }
  tm.setLed(led,val);  
  delay(5);
}


  else {
    val = 1;
  }
  tm.setLed(col,row,val,true);
  delay(5);
}

