private static Picture CreateQuartet(int n, Picture p)
{
var s = new SidePicture(n - 1, p);
var c = new CornerPicture(n - 1, p);
var u = new UtilePicture(p);
return(new QuartetPicture(c, s, s.Turn(), u));
}
public SquareLimitPicture(int n, Picture p)
{
var nw = new CornerPicture(n, p);
var sw = nw.Turn();
var se = sw.Turn();
var ne = se.Turn();
var nm = new SidePicture(n, p);
var mw = nm.Turn();
var sm = mw.Turn();
var me = sm.Turn();
var mm = new UtilePicture(p);
_picture = new NonetPicture(nw, nm, ne, mw, mm, me, sw, sm, se);
}