using System;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using System.Text.RegularExpressions;
public class Test
{
public static void Main()
{
var strs = new List<string> { "012W212222123", "012W764444443"};
foreach (var s in strs)
Console.WriteLine("{0}: {1}", s, Regex.IsMatch(s, @"^(?!.*(.)\1{4})"));
}
}
dXNpbmcgU3lzdGVtOwp1c2luZyBTeXN0ZW0uQ29sbGVjdGlvbnMuR2VuZXJpYzsKdXNpbmcgU3lzdGVtLklPOwp1c2luZyBTeXN0ZW0uTGlucTsKdXNpbmcgU3lzdGVtLlRleHQuUmVndWxhckV4cHJlc3Npb25zOwoKcHVibGljIGNsYXNzIFRlc3QKewoJcHVibGljIHN0YXRpYyB2b2lkIE1haW4oKQoJewoJCXZhciBzdHJzID0gbmV3IExpc3Q8c3RyaW5nPiB7ICIwMTJXMjEyMjIyMTIzIiwgIjAxMlc3NjQ0NDQ0NDMifTsKICAgICAgICBmb3JlYWNoICh2YXIgcyBpbiBzdHJzKQogICAgICAgIAlDb25zb2xlLldyaXRlTGluZSgiezB9OiB7MX0iLCBzLCBSZWdleC5Jc01hdGNoKHMsIEAiXig/IS4qKC4pXDF7NH0pIikpOwoJfQp9