+ self.level1n.levelleft = self.level1nw
+ self.level1w.leveltop = self.level1nw
+ self.level1nw.levelright = self.level1n
+ self.level1nw.levelbottom = self.level1w
+ self.level1n.levelright = self.level1ne
+ self.level1e.leveltop = self.level1ne
+ self.level1ne.levelleft = self.level1n
+ self.level1ne.levelbottom = self.level1e
+ self.level1ne.levelright = self.level1nee
+ self.level1ee.leveltop = self.level1nee
+ self.level1nee.levelleft = self.level1ne
+ self.level1nee.levelbottom = self.level1ee
+ self.level1sw.leveltop = self.level1w
+ self.level1w.levelbottom = self.level1sw
+ self.level1sww.levelright = self.level1sw
+ self.level1sw.levelleft = self.level1sww
+ self.level1ww.levelright = self.level1w
+ self.level1ww.levelbottom = self.level1sww
+ self.level1sww.leveltop = self.level1ww
+ self.level1w.levelleft = self.level1ww