public void StrandedStringBuilderReplaceMany()
 {
     StrandedSb.Replace("1618543976", "123");
     StrandedSb.Replace("1813591724", "123");
     StrandedSb.Replace("2018256345", "123");
 }
 public void StrandedStringBuilderLargeAppendReplace()
 {
     StrandedSb.Replace("2018256345", "123");
 }