// Combine token and offset
private string CombineTokenAndOffset(string token, long offset)
{
var ofssetEncode = Encoder.Encode(offset);
var len = Math.Max(ofssetEncode.Length, token.Length);
ofssetEncode = ofssetEncode.PadLeft(len, Encoder.Zero);
token = token.PadLeft(len, '0');
var sb = new StringBuilder();
for (var i = 0; i < len; i++)
{
sb.Append(token[i]);
sb.Append(ofssetEncode[i]);
}
return(sb.ToString());
}
