operações vvvvvvvvvvvvvvvvvvvvv
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1
vdhfbndmdd
abgysayf
abiu nbdfffff
2
fkjanja
fdsjbfs
fnujsshfu
3
fdtsjiuhfd j
fjsnzzuf
dsabtyfgwkaj
4
fdggggggggggg
fsfvcx
fdfbhggkyij
5
ggggggggggggggggg
ddddddddddd
gdssss
