1000
5
5

(((1 1 1 1 1) (1 1 1 1 -1) (1 1 1 -1 1)
  (1 1 -1 -1 -1) (1 -1 1 -1 -1) (1 -1 -1 1 1))
 ((1 1 1 1 1) (1 1 1 1 -1) (1 1 1 -1 1)
  (1 1 -1 1 -1) (1 -1 1 -1 -1) (1 -1 -1 1 1))
 ((1 1 1 1 1) (1 1 1 1 -1) (1 1 1 -1 1)
  (1 1 -1 1 -1) (1 -1 1 -1 1) (1 -1 -1 1 1))
 ((1 1 1 1 1) (1 1 1 1 -1) (1 1 1 -1 1)
  (1 1 -1 1 1) (1 -1 1 1 -1) (1 -1 -1 -1 1))
 ((1 1 1 1 1) (1 1 1 1 -1) (1 1 1 -1 1)
  (1 1 -1 1 1) (1 -1 1 1 1) (1 -1 -1 -1 -1)))))