$_____________________$______________________$
$____________________$$$_____________________$
$__$_________________$$$________________$____$
$___$$______________$$$$$_____________$$_____$
$____$$$____________$$$$$___________$$$______$
$_____$$$$$_________$$$$$________$$$$$_______$
$______$$$$$$$______$$$$$_____$$$$$$$________$
$________$$$$$$$____$$$$$___$$$$$$$__________$
$___________$$$$$____$$$___$$$$$_____________$
$__$$$$$$$______$$$__$$$__$$$______$$$$$$$___$
$______$$$$$$$$____$$_$_$$____$$$$$$$$_______$
$__________$$$$$$$$$_$$$_$$$$$$$$$___________$
$_________________$$$_$_$$$__________________$
$_____________$$$$$___$___$$$$$______________$
$_____________________$______________________$