ppSsS,
b db s,,b., g g gg . gg ,, db ss gb ,,d SpS ps.d p ,d ,SSSspp gsssssss ................................
, b, :
ssssssss m a i n :::::::: , :
::::::p,. . .d. :
:: SSb SS SS : :
:: p ppd p p:: :
s: p :: :
:ppppppb,..ssss:
.....:::....sssssssssssssssi :................................