B
~~~~~~
Co
aa ocaocoo.
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Coca  opa yca
ooc.
oc  apyoo pee, aa ( 1 aoe 50 , 100 ).
~~~~~~
eeoe ece
- peapa oaae aceecoe, ecoe pooocaeoe  ooaaee ece; cococye oe  ae pa.
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oaa
- eoo-ocaee aoea o (ypyy, apyy, poece , oe pa).
- Tepece opae o (oo, oopoe).
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peee
- pe apyo, caa cae  aoc eocpeceo a paey oepxoc.
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oooe ece
- Boo aepece pea.
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poooaa
- oea yceoc  peapay.