#include<iostream>
#include<string>
using namespace std;
int main()
{
string str="12345678910111213141516171819202122232425262728293";
std::size_t sz = str.size();
std::size_t i = 0;
if(sz % 8) {
cout<<str.substr(i, sz % 8) << ' ' ;
i += sz % 8;
}
while(i<str.length())
{
cout << str.substr(i,8) << ' ';
i = i+8;
}
cout << endl;
return 0;
}
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