(
  (a (b 5)   (d 10))
  (b (a 10)  (c 10))
  (c (f 10))
  (d (b 10)  (e 10))
  (e (c 10)  (d 5))
  (f (c 15))
  )

(
  (a (b 5) (d 7))
  (b (a 11) (c 12))
  (c (f 16))
  (d (b 8) (e 9))
  (e (c 13) (d 14))
  (f (c 21))
  )
                 
(
  (a (b 10) (c 19) (d 26))
  (b (a 15) (d 20) (e 25) (f 5))
  (c (a 15) (d 5) (e 10))
  (d (a 9) (b 5) (c 6))
  (e (b 25) (c 10))
  (f (a 15) (b 5))
  (g (f 10))
  )

(
  (g (h 10) (d 12)) 
  (i (h 18) (f 31) (j 7))
  (a (b 4) (d 1))
  (h (g 2) (i 72))
  (b (a 74) (c 2) (e 12))
  (j (f 8))
  (c (b 12) (f 74)(j 12))
  (e (d 66) (f 76) (h 33))
  (d (e 32) (g 22))
  (f (j 21) (i 11)))

(
  (g (h 10) (d 12)) 
  (i (h 18) (f 31) (j 7))
  (a (b 4) (d 1))
  (h (g 2) (i 72))
  (b (a 74) (c 2) (e 12))
  (j (f 8) (b 1))
  (c (b 12) (f 74)(j 12) (g 2))
  (e (d 66) (f 76) (h 33))
  (d (e 32) (g 22))
  (f (j 21) (i 11)))

(
  (a (b 10) (f 20) (z 30) (y 25))
 (b (c 5) (a 5) (d 5) (h 20) (k 10) (m 15))
 (c (n 20) (q 5) (a 1) (z 3))
 (d (c 1) (h 9) (l 5) (x 10))
 (e (i 5) (j 6) (p 99))
 (f (b 30) (r 30))
 (g (h 10) (a 0) (q 15))
 (h)
 (i (r 3) (s 6) (t 9))
 (j (f 10) (y 20))
 (k (h 4) (p 10) (s 5))
 (l (m 9) (l 5))
 (m (n 1) (z 5))
 (n (k 2) (w 5))
 (o (h 3) (f 7) (i 10))
 (p (y 15) (r 20))
 (q (e 5) (l 5) (t 15))
 (r (s 5) (v 20) (w 10))
 (s (w 15) (t 10) (h 3) (q 8))
 (t (p 4) (q 5) (v 99))
 (u (z 2) (h 1))
 (v (u 33) (r 20) (h 19))
 (w)
 (x (j 100) (m 50) (r 10))
 (y (h 20) (w 5))
 (z (e 55) (g 13) (k 22))
)