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$_____________________$_______________________$
$____________________$$$______________________$
$__$_________________$$$________________$_____$
$___$$______________$$$$$_____________$$______$
$____$$$____________$$$$$___________$$$_______$
$_____$$$$$_________$$$$$________$$$$$________$
$______$$$$$$$______$$$$$_____$$$$$$$_________$
$________$$$$$$$____$$$$$___$$$$$$$___________$
$___________$$$$$____$$$___$$$$$______________$
$__$$$$$$$______$$$__$$$__$$$______$$$$$$$____$
$______$$$$$$$$____$$_$_$$____$$$$$$$$________$
$__________$$$$$$$$$_$$$_$$$$$$$$$____________$
$_________________$$$_$_$$$___________________$
$_____________$$$$$___$___$$$$$_______________$
$_____________________$_______________________$
$_____________________$_______________________$
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https://www.youtube.com/watch?v=z2tJzMNTIuM&t=60s