comefrom: <awangdev>Group Shifted Strings_1.java
code: private String convert(String s) {
  
          StringBuffer sb = new StringBuffer();
          int offset = s.charAt(0) - 'a';
          for (char c : s.toCharArray()) {
              char newChar = (char)(c - offset);
              if (newChar < 'a') newChar += 26;
              sb.append(newChar);
          }
          return sb.toString();
      }
masked: private String var_0 ( String var_2 ) {
    StringBuffer var_4 = new StringBuffer ( ) ;
    int var_8 = var_2 . charAt ( 0 ) - 'a' ;
    for ( char var_10 : var_2 . toCharArray ( ) ) {
      char var_11 = ( char ) ( var_10 - var_8 ) ;
      if ( var_11 < 'a' ) var_11 += 26 ;
      var_4 . append ( var_11 ) ;
    }
    return var_4 . toString ( ) ;
  }
  