std::vector<std::string> radical_ends;
boost::split(radical_ends, group, boost::is_any_of("-"));
int start = surf_parse_get_int(radical_ends.front());
std::vector<std::string> radical_ends;
boost::split(radical_ends, group, boost::is_any_of("-"));
int start = surf_parse_get_int(radical_ends.front());