using Gee;
void main () {
var l = new ArrayList<string> ();
for (var i = 0; i < 8; ++i)
l.add (i.to_string ());
var it = l.bidir_list_iterator ();
it.first ();
while (it.valid) {
stdout.printf ("%s\n", it.get ());
it.next ();
}