anchor.diff:        int i = x ~/ 8;
         int v = x % 8;
         int d = 0;
  -      if(repeat) {
  -        for(int j=0;j<=v;j++) {
  -          d |= (0x01 << j);      
  +      if (repeat) {
  +        for (int j = 0; j <= v; j++) {
  +          d |= (0x01 << j);
           }
         } else {
           d = (0x01 << v);
         }
  -      output._values[19-i] = this._values[19-i] ^ d;
  +      output._values[19 - i] = this._values[19 - i] ^ d;
         return output;
       }
     }
  
positive.code:   }
  
    int compareTo(KId other) {
      if(this == other) {
        return 0;
      } else if(this > other) {
        return 1;
      } else {
        return -1;
  
negative.code: import 'package:hetimacore/hetimacore.dart';
  import 'dart:typed_data';
  
  class KId implements Comparable<KId> {
    List<int> _values = null;
    List<int> get value => new List.from(_values);
    List<int> get rawvalue => _values;
  