30.0
a b 5.0
b a 5.0
b c 10.0
c d 5.0
a e 5.0
e f 5.0 3.0
e c 20  15.0
f d 2.5
a g 10.0
g h 10
h d 30.0
a i 10.0
i j 7.5
j d 5.0
i g 50
f h 3.0

c d 29.0 29.8 27.8 30.5 30.4 7.0 7.4 7.5 8.4 7.9 8.5
f d 29.0 31.1 28.3 25.3 30.2
i g 30.0 31.2 30.7 29.8 28.7 15.3 15.2 14.7 12.3 16.0 30.1
j d 28.7 29.7 30.2 31.4 28.6 7.4 7.6 7.4 6.7 6.6 6.7 6.7
a
d