_21 – $$$$$$$$$ $$$$$$ $$$$$ $_

_(21) $$$$$$$$$ $$$$$$ $$$$$ $_

_$$$$$$$$ :_ _$$$$$$$ $$$$$$$ $$$$$$$$$ $$., $$$, $$$$$
$$$$$$$$$ :_ _$$$$$ $$$$ $$$$, $$$$$$$$_

_$$$$$$$$$ $$$$$$ $$$$$$ $ $$$$$$ $$$$$$$$$$$$ $$$$$$$, $$$ $$$$$$$$ $$$ $$$ $$$$$$$$$ $$$$$$$$$$ $$$$$$ $$ $$$$$ $$ $$ $$$$._ _$$$$ $$$$$$$$$$$$ $$ $$$$$ $$ $$$$$$$$$$$ $$$$$ $$$$$ $$$$$$$$$$._