if (ip->route_tail_value < 0)
ip->route_tail_value= value_route(2, pair, pair[0]!=pair[1]);
guess_absolute += ip->route_tail_value;
if (ip->route_tail_value < 0)
ip->route_tail_value= value_route(2, pair, pair[0]!=pair[1]);
guess_absolute += ip->route_tail_value;