public void Write(BinaryWriter sw, SolverNode n)
{
sw.Write(n.SolverNodeId);
sw.Write(n.Parent?.SolverNodeId ?? 0);
sw.Write(n.PlayerBefore.X);
sw.Write(n.PlayerBefore.Y);
sw.Write(n.Push.X);
sw.Write(n.Push.Y);
sw.Write((byte)n.Status);
sw.Write(n.GetHashCode());
var c = n.CrateMap is BitmapByteSeq bs ? bs : new BitmapByteSeq(n.CrateMap);
var cc = c.GetArray();
sw.Write(cc.Length);
sw.Write(cc);
var m = n.MoveMap is BitmapByteSeq ms ? ms : new BitmapByteSeq(n.MoveMap);
var mm = m.GetArray();
sw.Write(mm.Length);
sw.Write(mm);
}