2
a bb
b aa
a
bbbbbbbb
1
a ba
d
aaaaa
0
ba abb
bca aacd
da ede
dab
deeeeeeeec
10
b bca
c iac
c acf
d bec
f hbb
g f`g
g aae
h bah
h aaj
j cab
_
cbaaeeaba
0
