 w, w, w, w, w, w, w, w, w, w, w, w, w
 w, w, w, w, w, w, w, w, w, w, w, w, w
 w, w, w, w, w, w, w, w, w, w, w, w, w
 w, w, w, w, w, w, w, w, w, w, w, w, w
 w, w, w, w, w, w, w, w, w, w, w, w, w
 w, w, w, w, w, w, w, w, w, w, w, w, w
 w, w, w, w, w, w, w, w, w, w, w, w, w
 w, w, w, w, w, w, w, w, w, w, w, w, w
 w, w, w, w, w, w, w, w, w, w, w, w, w
 w, w, w, w, w, w, w, w, w, w, w, w, w
