(define that-letter
  (lambda (font letter)
    (let*
	([letters (lookup-list font font-DB)])
	 (lookup letter letters))))

(define that-font
  (lambda (font)
    (let
	([its-letter
	  (lambda (letter)
	    (that-letter font letter))])
      (map list *categories*
	   (map its-letter *categories*)))))

(define examine-font
  (lambda (font)
    (let*
	([examine-letter
	  (lambda (letter-info)
	    (examine-gridletter (car letter-info)
			      (cadr letter-info)))]
	 [dummy (set! *the-font* font)])
	 (map examine-letter (that-font font)))))      

(define big-test
  (lambda ()
    (map examine-font (remove-item 'three-d (map car font-DB)))
    (map examine-font (remove-item 'three-d (map car font-DB)))
    (map examine-font (remove-item 'three-d (map car font-DB)))
    (map examine-font (remove-item 'three-d (map car font-DB)))
    (map examine-font (remove-item 'three-d (map car font-DB)))
    (map examine-font (remove-item 'three-d (map car font-DB)))
    (map examine-font (remove-item 'three-d (map car font-DB)))
    (map examine-font (remove-item 'three-d (map car font-DB)))
    (map examine-font (remove-item 'three-d (map car font-DB)))
    (map examine-font (remove-item 'three-d (map car font-DB)))))
    
(set! font-DB
      '((checkmark
	 (a (8 38 48 51))
	 (b (9 14 17 20 48 51))
	 (c (4 25 48 51))
	 (d (8 16 19 22 37 38))
	 (e (7 8 22 37 38))
	 (f (0 4 5 18 21 24 44))
	 (g (4 25 28 31 48 51 55))
	 (h (14 17 20 48 51))
	 (i (5 14 32 37 38))
	 (j (5 14 23 26 32 37 38))
	 (k (5 14 17 20 37 48 51))
	 (l (15 18 21 24 32 39))
	 (m (20 21 22 24 25 36 37 38))
	 (n (8 21 22 25 37 38))
	 (o (8 22 37 38 39))
	 (p (5 23 26 29 37 38))
	 (q (4 25 28 31 48 51))
	 (r (22 37 38))
	 (s (4 9 48 51))
	 (t (4 5 8 18 21 38))
	 (u (7 20 23 37 38 39))
	 (v (5 20 23 37 38))
	 (w (5 23 24 37 38 39))
	 (x (9 20 37 38 48 51))
	 (y (25 28 31 48 51 55))
	 (z (5 8 37 38)))
	(flournoy-ranch
	 (a (8 9 22 23 37 39 50))
	 (b (8 9 14 17 20 22 24 25 37 44 50))
	 (c (20 39 48 50))
	 (d (8 9 16 19 20 22 23 24 33 39 48))
	 (e (5 22 23 36 38 49))
	 (f (2 15 21 24 45 46 47 50))
	 (g (4 5 20 21 23 25 28 31 38 49 55))
	 (h (8 14 17 20 22 24 25 37 44 50))
	 (i (9 21 24 36 44))
	 (j (13 21 24 27 30 36 44))
	 (k (8 14 17 20 22 24 37 44 50 51))
	 (l (8 14 17 20 44 50))
	 (m (5 8 20 22 24 25 37 48))
	 (n (5 8 22 24 25 37))
	 (o (4 5 20 21 23 38))
	 (p (4 5 21 22 23 25 26 29 36 42 51))
	 (q (4 5 20 21 23 27 30 38 39 43 49))
	 (r (8 21 22 24 37))
	 (s (8 9 21 22 49 51))
	 (t (5 18 21 25 34 51))
	 (u (5 8 20 21 23 38))
	 (v (5 20 21 23 38))
	 (w (5 8 20 21 23 25 38 51))
	 (x (4 21 22 38 49 51))
	 (y (5 20 21 23 25 28 31 38 49 55))
	 (z (8 9 20 21 36 38)))
	(bowtie
	 (a (4 6 38 39 49 50))
	 (b (4 6 15 17 32 38 39 49 50))
	 (c (5 25 36 39 50 51))
	 (d (5 7 15 19 36 39 45 50 51))
	 (e (7 9 36 37 49 50))
	 (f (3 4 21 24 32 33 45 46))
	 (g (7 9 28 30 36 37 43 49 50))
	 (h (4 15 17 24 25 32 36 38 49 50))
	 (i (0 24 32 36 38 44 50))
	 (j (0 27 29 32 36 42 44 50 54))
	 (k (4 7 9 15 17 23 32 36 37 49 50))
	 (l (15 17 20 24 32 38 50))
	 (m (4 22 23 24 25 36 37 48))
	 (n (24 25 36 38 49 50))
	 (o (6 36 39 48 49 50))
	 (p (6 8 26 30 36 39 48 49 54))
	 (q (7 9 13 28 36 37 43 49 50 55))
	 (r (22 24 36 38 49 50))
	 (s (5 6 38 39 49 50))
	 (t (4 7 18 36 39 50 51))
	 (u (20 21 25 37 39 49 50))
	 (v (21 22 36 39 48 50))
	 (w (8 20 21 22 25 38 50 51))
	 (x (8 20 22 37 38 48 49 51))
	 (y (9 20 21 28 30 37 39 43 49 50))
	 (z (4 7 36 39 50 51)))
	(double-backslash
	 (a (6 24 25 48 50 51))
	 (b (9 17 20 23 48 50 51))
	 (c (4 25 48 51))
	 (d (4 19 22 25 48 49 51))
	 (e (4 7 48 49 51))
	 (f (2 4 17 47 48 49 51))
	 (g (4 22 25 28 48 49 51 53))
	 (h (17 20 25 48 50 51))
	 (i (18 25 46 47 48 51))
	 (j (18 28 46 47 48 51 53))
	 (k (4 17 20 25 48 50 51))
	 (l (17 25 48 51))
	 (m (20 21 48 49 50 51))
	 (n (20 25 48 50 51))
	 (o (4 25 48 49 51))
	 (p (9 20 23 26 48 50 51))
	 (q (9 20 28 48 50 51))
	 (r (4 22 48 49 51))
	 (s (4 9 23 48 49 50 51))
	 (t (4 17 25 48 51))
	 (u (25 48 49 51))
	 (v (22 25 48 51))
	 (w (21 22 24 25 48 50 51))
	 (x (21 24 48 49 50 51))
	 (y (20 25 28 48 49 51 53))
	 (z (8 9 11 20 48 51 52)))
	(hint4
	 (a (4 6 39 49 50))
	 (b (14 17 20 39 49 50))
	 (c (9 36 50))
	 (d (16 19 22 36 39 50))
	 (e (7 9 36 49 50))
	 (f (4 18 21 24 33))
	 (g (25 28 36 43 49 50))
	 (h (14 17 20 25 36 49))
	 (i (20 23 32))
	 (j (21 24 27 33 42))
	 (k (6 14 17 20 37 51))
	 (l (14 17 20 50))
	 (m (23 24 25 36 49))
	 (n (23 25 36 49))
	 (o (4 39 49 50))
	 (p (23 26 29 36 39 49))
	 (q (25 28 31 36 49 50))
	 (r (5 23 36))
	 (s (6 7 8 36 39))
	 (t (4 18 21 24 39))
	 (u (8 20 22 23 39))
	 (v (20 22 39 50))
	 (w (20 21 22 39 50))
	 (x (37 38 48 51))
	 (y (20 25 28 39 43 50))
	 (z (5 8 9 37 38)))
	(sabretooth
	 (a (7 8 20 38 39 48))
	 (b (4 7 14 17 20 23 38 49))
	 (c (5 6 25 36 51))
	 (d (5 6 16 19 22 25 36 51))
	 (e (5 6 25 36 37 51))
	 (f (3 4 14 17 20 23 44 49))
	 (g (5 6 22 25 28 29 36 40 51 53))
	 (h (14 17 20 21 23 25 38 49))
	 (i (6 23 32 48))
	 (j (6 23 32 48 52))
	 (k (6 9 14 17 20 22 23 37 50))
	 (l (14 17 20 23 38))
	 (m (21 23 24 25 48 49 50))
	 (n (21 24 25 48 49 50))
	 (o (8 9 21 25 38 49))
	 (p (4 7 20 23 26 29 38 49))
	 (q (5 6 22 25 28 31 36 51))
	 (r (5 6 7 20 23 49))
	 (s (4 5 7 8 39 48))
	 (t (5 18 20 21 24 36 39))
	 (u (20 21 24 50 51))
	 (v (20 24 37 50))
	 (w (20 21 22 24 49 50))
	 (x (6 8 22 36 37 38 51))
	 (y (4 6 22 25 28 29 36 40 51 53))
	 (z (7 8 9 20 38 48)))
	(standard-square
	 (a (4 5 6 7 8 9 22 23 25))
	 (b (4 5 8 9 14 17 20 22 23 25))
	 (c (4 5 8 9 20 23))
	 (d (4 5 8 9 16 19 20 22 23 25))
	 (e (4 5 6 7 8 9 20 22 23))
	 (f (1 4 5 15 18 21 24))
	 (g (4 5 8 9 12 13 20 22 23 25 28 31))
	 (h (4 5 14 17 20 22 23 25))
	 (i (3 5 22 25))
	 (j (3 5 13 22 25 28 31))
	 (k (14 17 20 23 37 38 51))
	 (l (15 18 21 24))
	 (m (4 5 20 21 22 23 24 25))
	 (n (4 5 20 22 23 25))
	 (o (4 5 8 9 20 22 23 25))
	 (p (4 5 8 9 20 22 23 25 26 29))
	 (q (4 5 8 9 20 22 23 25 28 31))
	 (r (4 5 20 23))
	 (s (4 5 6 7 8 9 20 25))
	 (t (4 5 9 18 21 24))
	 (u (8 9 20 22 23 25))
	 (v (20 22 39 50))
	 (w (8 9 20 21 22 23 24 25))
	 (x (37 38 48 51))
	 (y (8 9 12 13 20 22 23 25 28 31))
	 (z (4 5 8 9 37 38)))
	(shorts
	 (a (5 6 7 8 9 22 23 25))
	 (b (4 5 8 9 17 20 22 23 25))
	 (c (4 8 9 20 23))
	 (d (4 5 8 9 19 20 22 23 25))
	 (e (4 5 6 7 8 20 22 23))
	 (f (2 4 5 17 20 23))
	 (g (4 5 8 9 11 20 22 23 25 28))
	 (h (4 5 17 20 22 25))
	 (i (2 4 21 24))
	 (j (2 4 21 24 27))
	 (k (6 7 17 20 23 25 36))
	 (l (18 21 24))
	 (m (4 5 20 21 22 25))
	 (n (4 5 20 22 25))
	 (o (4 5 8 9 20 22 23 25))
	 (p (4 5 8 9 20 22 23 25 26))
	 (q (4 5 8 9 20 22 23 25 28))
	 (r (5 21 24))
	 (s (4 6 7 9 20 25))
	 (t (4 9 18 21 24))
	 (u (8 9 22 23 25))
	 (v (22 39 50))
	 (w (8 9 22 23 24 25))
	 (x (37 38 48 51))
	 (y (8 9 11 22 23 25 28))
	 (z (5 8 37 38)))
	(house
	 (a (7 8 9 25 36 38 49))
	 (b (8 9 17 20 23 25 36 49))
	 (c (8 9 23 36 49))
	 (d (8 9 19 22 23 25 36 49))
	 (e (6 7 8 9 23 36 49))
	 (f (20 23 34 36 47 49))
	 (g (8 9 10 11 23 25 28 36 49))
	 (h (17 20 23 25 36 49))
	 (i (24 36 49))
	 (j (10 24 27 36 49))
	 (k (9 17 20 23 36 49 50))
	 (l (8 17 20 23))
	 (m (20 21 23 24 25 36 49))
	 (n (20 23 25 36 49))
	 (o (8 9 23 25 36 49))
	 (p (8 9 23 25 26 36 49))
	 (q (8 9 23 25 28 36 49))
	 (r (20 23 36 49))
	 (s (6 8 9 36 49 51))
	 (t (9 18 21 24 36 49))
	 (u (8 9 22 23 25 36))
	 (v (8 22 23 36 39))
	 (w (8 9 22 23 24 25 36))
	 (x (6 7 25 36 37 38))
	 (y (8 9 10 11 22 23 25 28 36))
	 (z (7 8 9 36 38 49)))
	(benzene-left
	 (a (4 6 9 25 49 50 51))
	 (b (4 9 14 17 20 25 49 50))
	 (c (4 9 20 49 50))
	 (d (4 9 16 19 20 22 25 49 50))
	 (e (4 7 9 20 48 49 50))
	 (f (0 4 5 14 21 24 45 46))
	 (g (4 9 13 20 25 28 31 49 50 54))
	 (h (4 14 17 20 25 49 50))
	 (i (8 14 18 24 44 46 48))
	 (j (12 14 18 24 27 30 44 46 48))
	 (k (4 9 14 17 20 23 49 50))
	 (l (14 17 20 50))
	 (m (20 21 25 48 49 50))
	 (n (4 20 25 49 50))
	 (o (4 9 20 25 49 50))
	 (p (4 9 20 23 25 26 29 49 50))
	 (q (4 9 20 25 28 31 49 50))
	 (r (4 20 23 49))
	 (s (4 9 48 49 50 51))
	 (t (5 18 21 46 51))
	 (u (9 20 25 49 50))
	 (v (4 21 22 25 51))
	 (w (20 24 25 49 50 51))
	 (x (5 8 21 24 48 51))
	 (y (9 13 20 25 28 31 49 50 54))
	 (z (4 6 7 9 49 50)))
	(benzene-right
	 (a (5 7 8 22 25 36 38 39))
	 (b (5 8 14 17 20 22 23 36 39))
	 (c (5 8 23 36 39))
	 (d (5 8 16 19 22 23 36 39))
	 (e (5 6 8 23 36 37 39))
	 (f (18 21 24 33 36 5))
	 (g (5 8 12 22 23 25 28 36 39 43))
	 (h (5 14 17 20 22 23 36 39))
	 (i (15 17 21 24 32 34 36))
	 (j (15 17 21 24 27 32 34 36 42))
	 (k (5 6 7 14 17 20 23 36 39))
	 (l (0 15 18 21 24 39))
	 (m (4 21 22 23 36 37 39))
	 (n (4 5 22 23 36 39))
	 (o (5 8 22 23 36 39))
	 (p (5 8 22 23 26 29 36 39))
	 (q (5 8 22 23 25 28 31 36 39))
	 (r (5 23 36))
	 (s (5 6 7 8 36 39))
	 (t (5 18 21 24 36 39))
	 (u (8 22 23 25 36 39))
	 (v (4 21 22 24 39))
	 (w (22 23 24 36 38 39))
	 (x (4 9 21 24 37 38))
	 (y (8 12 22 23 25 28 36 39 43))
	 (z (5 8 36 37 38 39)))
	(boat
	 (a (4 5 6 7 22 39 50))
	 (b (4 5 17 20 22 39 50))
	 (c (4 5 20 39 50))
	 (d (4 5 19 20 22 39 50))
	 (e (4 5 6 20 37 39 50))
	 (f (2 3 4 17 20 50))
	 (g (4 5 20 22 25 39 41 50 52))
	 (h (4 5 17 20 22 25 50))
	 (i (2 4 21 38))
	 (j (3 5 22 39 40))
	 (k (5 17 20 23 36 39 50))
	 (l (17 20 39 50))
	 (m (4 5 20 21 22 25 50))
	 (n (4 5 20 22 25 50))
	 (o (4 5 20 22 39 50))
	 (p (4 5 20 22 23 26 39 50))
	 (q (4 5 20 22 25 28 39 50))
	 (r (4 5 20 22 50))
	 (s (4 5 7 39 48 50))
	 (t (4 17 20 39 50))
	 (u (20 22 25 39 50))
	 (v (20 22 39 50))
	 (w (20 21 22 24 39 50))
	 (x (5 6 37 48 50 51))
	 (y (20 22 25 39 41 50 52))
	 (z (4 5 6 37 39 50)))
	(hunt4
	 (a (4 6 7 25 39 49 50))
	 (b (14 17 20 23 36 39 49 50))
	 (c (9 36 49 50))
	 (d (16 19 22 25 36 39 49 50))
	 (e (6 7 9 36 49 50))
	 (f (4 5 18 21 24 33))
	 (g (12 22 25 28 36 39 43 49 50))
	 (h (14 17 20 23 25 36 49))
	 (i (4 20 23 32))
	 (j (5 21 24 27 33 42))
	 (k (6 14 17 20 23 37 51))
	 (l (14 17 20 50))
	 (m (20 21 23 24 25 36 49))
	 (n (20 23 25 36 49))
	 (o (4 36 39 49 50))
	 (p (20 23 26 29 36 39 49 50))
	 (q (22 25 28 31 36 39 49 50))
	 (r (5 20 23 36))
	 (s (5 6 7 8 36 39))
	 (t (4 5 18 21 24 39))
	 (u (8 20 22 23 25 39))
	 (v (20 22 39 50))
	 (w (20 21 22 24 39 50))
	 (x (37 38 48 51))
	 (y (12 20 22 25 28 39 43 50))
	 (z (4 5 8 9 37 38)))
	(slant
	 (a (5 7 8 9 22 25 38))
	 (b (5 8 9 18 21 22 25 33 38))
	 (c (5 8 9 21 38))
	 (d (5 8 9 16 19 21 22 25 38))
	 (e (5 7 8 9 21 22 38))
	 (f (5 18 21 33 38))
	 (g (5 8 9 12 21 22 25 30 38 41))
	 (h (5 18 21 22 25 33 38))
	 (i (21 33 38))
	 (j (21 26 29 33 38))
	 (k (18 21 25 33 37 38 51))
	 (l (18 21 33 38))
	 (m (5 21 22 23 24 25 36))
	 (n (5 21 22 25 38))
	 (o (5 8 9 21 22 25 38))
	 (p (5 8 9 21 22 25 29 38 40))
	 (q (5 8 9 21 22 25 28 31 38))
	 (r (5 21 38))
	 (s (5 7 8 9 21 25))
	 (t (5 8 9 18 21 38))
	 (u (8 9 21 22 25 38))
	 (v (8 21 22 38 39))
	 (w (8 22 23 36 38 39))
	 (x (9 21 22 24 37 38))
	 (y (8 9 12 21 22 25 30 38 41))
	 (z (5 7 8 9 22 38)))
	(slash
	 (a (4 5 8 9 22 25 37 38))
	 (b (8 9 14 17 20 22 23 25 37 38))
	 (c (8 9 37 38))
	 (d (8 9 16 19 22 25 37 38))
	 (e (4 5 8 9 20 23 37 38))
	 (f (18 21 24 33 37 38))
	 (g (8 9 12 13 22 25 28 31 37 38))
	 (h (14 17 20 22 23 25 37 38))
	 (i (3 5 16 33 37 38))
	 (j (3 5 16 26 29 33 37 38))
	 (k (14 17 20 23 37 38 51))
	 (l (14 17 20 23 37 38))
	 (m (20 21 22 24 25 36 37 38))
	 (n (21 22 24 25 37 38))
	 (o (8 9 22 25 37 38))
	 (p (8 9 22 25 26 29 37 38))
	 (q (8 9 22 25 28 31 37 38))
	 (r (22 37 38))
	 (s (5 35 37 38))
	 (t (9 18 21 24 37 38))
	 (u (20 21 23 24 37 38))
	 (v (5 20 23 37 38))
	 (w (20 21 22 23 24 37 38 39))
	 (x (37 38 48 51))
	 (y (20 23 26 29 37 38))
	 (z (4 5 8 9 37 38)))
	(snout
	 (a (7 48 20 23 8 9 5 22 25))
	 (b (14 17 20 23 6 37 22 25 9 8))
	 (c (37 6 23 8 9))
	 (d (7 48 20 23 8 9 16 19 22 25))
	 (e (25 22 5 4 20 6 51 23 8))
	 (f (3 44 14 17 48 24 4 5))
	 (g (22 25 28 31 55 10 5 4 20 23 38 7))
	 (h (6 37 22 25 14 17 20 23))
	 (i (6 37 22 25 35 4))
	 (j (6 37 22 25 28 11 42 35 4))
	 (k (50 9 14 17 20 23 6 37 22))
	 (l (15 18 21 38 8 9))
	 (m (7 25 20 23 48 24))
	 (n (48 7 25 20 23))
	 (o (8 23 20 48 7 25 9))
	 (p (4 5 22 25 51 6 20 23 26 29))
	 (q (22 25 28 31 5 4 20 23 38 7))
	 (r (20 23 48 7))
	 (s (37 22 25 9 8 4 20 6))
	 (t (46 21 24 9 6 37))
	 (u (22 25 21 38 8 9))
	 (v (36 21 38 8 39 22))
	 (w (22 25 20 6 21 51))
	 (x (38 51 39 22))
	 (y (22 25 28 31 55 10 21 38 8 9))
	 (z (8 9 23 20 48 37 5)))
	(intersect
	 (a (4 6 39 49 50 51))
	 (b (5 8 17 22 23 32 36 39 48))
	 (c (4 9 20 49 50))
	 (d (4 9 19 20 25 37 45 49 50))
	 (e (7 9 36 48 49 50))
	 (f (1 5 17 32 36 48 51))
	 (g (5 8 12 22 23 28 36 39 43 51))
	 (h (5 17 22 23 25 32 36 48))
	 (i (25 34 49))
	 (j (25 28 34 43 49))
	 (k (5 17 23 32 36 48 51))
	 (l (17 32 48 51))
	 (m (5 22 23 24 25 36 48))
	 (n (5 22 23 25 36 48))
	 (o (5 8 22 23 36 39))
	 (p (4 9 20 25 26 38 49 50 54))
	 (q (5 8 22 23 28 31 36 39 51))
	 (r (5 24 36 48))
	 (s (5 8 9 36 48 51))
	 (t (5 9 20 34 46 50))
	 (u (8 20 22 23 39 51))
	 (v (8 22 23 36 39 48))
	 (w (9 20 21 22 25 38 50))
	 (x (4 25 37 38 49))
	 (y (8 12 20 22 23 28 39 43 51))
	 (z (4 8 9 37 38 49)))
	(funtnip
	 (a (5 6 7 8 9 22 38 39))
	 (b (6 8 9 15 18 21 22 25 37 50))
	 (c (4 8 9 20 50))
	 (d (7 8 9 15 18 20 21 23 39 48))
	 (e (4 5 6 7 8 23 36 37))
	 (f (5 6 16 18 24 33 37))
	 (g (4 7 20 23 24 27 30 35 38 49 54))
	 (h (6 8 15 18 21 22 25 37 50))
	 (i (1 5 6 7 15 24 44 49))
	 (j (1 5 6 7 15 24 27 30 44 49))
	 (k (6 7 8 15 18 21 25 37 50))
	 (l (6 7 8 15 18 21 23))
	 (m (6 22 23 24 25 37 48))
	 (n (6 8 21 22 25 37 50))
	 (o (6 9 21 22 25 37 50))
	 (p (5 6 22 24 25 27 30 36 51))
	 (q (4 7 20 23 24 27 30 38 49))
	 (r (4 21 22 24 49))
	 (s (4 6 7 8 9 20 51))
	 (t (4 7 18 24 48))
	 (u (5 7 20 23 24 38 49))
	 (v (5 7 20 23 38 49))
	 (w (7 20 21 22 23 38 51))
	 (x (5 7 20 25 38 48 49))
	 (y (6 22 24 25 27 30 36 51 54))
	 (z (5 6 7 8 9 22 38)))
	(close
	 (a (5 8 9 22 25 37 38))
	 (b (8 9 17 20 22 23 25 37 38))
	 (c (8 9 37 38))
	 (d (8 9 19 22 25 37 38))
	 (e (7 8 9 22 37 38))
	 (f (5 21 24 35))
	 (g (8 9 22 25 37 38 41))
	 (h (9 17 20 22 23 25 37 38))
	 (i (21 24 34))
	 (j (21 24 34 40))
	 (k (17 37 38 48 51))
	 (l (18 21 24))
	 (m (22 24 25 37 38))
	 (n (22 25 37 38))
	 (o (8 9 22 25 37 38))
	 (p (8 9 22 25 26 37 38))
	 (q (8 9 22 25 28 37 38))
	 (r (22 37 38))
	 (s (22 23 37 38))
	 (t (5 18 21 24))
	 (u (8 9 22 25 38))
	 (v (20 23 37 38))
	 (w (20 21 23 37 38))
	 (x (37 38 48 51))
	 (y (8 9 22 25 38 41))
	 (z (5 8 9 37 38)))
	(three-d
	 (a (3 4 6 8 19 21 22 23 24 34 35 36 38 39))
	 (b (3 4 8 15 17 19 20 21 22 23 24 32 34 35 38 39))
	 (c (3 4 7 8 20 21 23 34 35 38 39))
	 (d (4 8 16 18 19 20 21 22 23 24 33 34 38 39))
	 (e (3 4 6 7 8 19 20 21 23 34 35 36 37 38 39))
	 (f (1 2 3 4 17 20 21 23 32 33 34 35 38))
	 (g (3 4 8 10 19 20 21 22 23 24 25 27 34 35 38 40 41))
	 (h (3 4 15 17 19 20 21 22 23 24 32 34 35 38 39))
	 (i (1 2 3 4 19 21 22 24 32 33 34 35 39))
	 (j (1 2 3 4 19 21 22 24 25 27 32 33 34 35 41))
	 (k (3 4 5 6 15 17 20 22 23 24 32 34 35 36 37 38 39))
	 (l (7 8 15 17 18 20 21 23 32 38 39))
	 (m (3 4 5 19 20 21 22 23 24 25 34 38 39))
	 (n (3 4 19 20 21 22 23 24 34 35 38 39))
	 (o (3 4 8 19 20 21 22 23 24 34 35 38 39))
	 (p (3 4 8 19 20 21 22 23 24 26 34 35 38 39 40))
	 (q (3 4 8 19 20 21 22 23 24 25 27 34 35 38 41))
	 (r (3 4 20 21 23 34 35 38))
	 (s (3 4 5 6 8 20 22 24 34 35 36 37 38 39))
	 (t (3 4 7 8 15 17 20 21 23 32 34 35 38 39))
	 (u (8 18 19 20 21 22 23 24 34 35 38 39))
	 (v (18 19 20 21 22 24 34 35 36 39 50))
	 (w (8 9 18 19 20 21 22 23 24 25 34 35 38 39))
	 (x (22 23 24 34 35 36 37 38 39 47 48))
	 (y (8 10 18 19 20 21 22 23 24 25 27 34 35 38 40 41))
	 (z (3 4 6 7 8 19 21 23 34 35 36 37 38 39)))
	(sluice
	 (a (4 6 9 49 50 51))
	 (b (17 20 21 25 49 50 51))
	 (c (9 20 48 49 50))
	 (d (19 21 22 23 36 38 39))
	 (e (4 7 9 48 49 50))
	 (f (18 24 47 48 49))
	 (g (10 21 22 23 25 36 38 40 41))
	 (h (17 20 22 24 25 36 37))
	 (i (24 35 37))
	 (j (24 35 37 40))
	 (k (17 20 36 37 38 51))
	 (l (18 21 50 51))
	 (m (22 23 24 25 36 37))
	 (n (20 22 24 25 36 37))
	 (o (22 24 36 37 39))
	 (p (22 23 24 26 36 37 39))
	 (q (20 24 25 28 48 49 50))
	 (r (22 23 36 37))
	 (s (5 7 8 36 39))
	 (t (18 24 36 37 39))
	 (u (20 21 23 25 38 39))
	 (v (37 39 48 50))
	 (w (20 21 22 25 50 51))
	 (x (20 24 36 37 38 39))
	 (y (10 20 21 22 23 25 38 40 41))
	 (z (5 9 36 37 38 39)))
	(weird-arrow
	 (a (4 5 6 21 22 25 39 50))
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