#include <iostream>
#include <string>
#include <regex>
using namespace std;
int main()
{
string s = "x";
s = regex_replace(s + "0123456789", regex("(\\b(?=9.*(1))|0(?=.*(1))|1(?=.*(2))|2(?=.*(3))|3(?=.*(4))|4(?=.*(5))|5(?=.*(6))|6(?=.*(7))|7(?=.*(8))|8(?=.*(9))|9(?=.*(0)))(?=9*-)|\\d{10}$"), "$2$3$4$5$6$7$8$9$10$11$12");
cout << s << '\n';
return 0;
}
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