using System;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using System.Text.RegularExpressions;
public class Test
{
public static void Main()
{
var text = "12\"The world... 13The end 14\"I have 16 years 15Kiss me";
Console.WriteLine(Regex.Replace(text, @"\s+(?=\d+[^\s\d])", "\n"));
}
}
dXNpbmcgU3lzdGVtOwp1c2luZyBTeXN0ZW0uQ29sbGVjdGlvbnMuR2VuZXJpYzsKdXNpbmcgU3lzdGVtLklPOwp1c2luZyBTeXN0ZW0uTGlucTsKdXNpbmcgU3lzdGVtLlRleHQuUmVndWxhckV4cHJlc3Npb25zOwoKcHVibGljIGNsYXNzIFRlc3QKewoJcHVibGljIHN0YXRpYyB2b2lkIE1haW4oKQoJewoJCXZhciB0ZXh0ID0gIjEyXCJUaGUgd29ybGQuLi4gMTNUaGUgZW5kIDE0XCJJIGhhdmUgMTYgeWVhcnMgMTVLaXNzIG1lIjsKICAgICAgCUNvbnNvbGUuV3JpdGVMaW5lKFJlZ2V4LlJlcGxhY2UodGV4dCwgQCJccysoPz1cZCtbXlxzXGRdKSIsICJcbiIpKTsKCX0KfQ==