ну, или хотя бы название скажите.

чтобы рисовать вот такие рисунки.

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________$$$$$$$$____________$$_$_$________________
_____$$__$$____________________$_$________________
____$$_$___$_____________________$________________
____$_$___$_________________$$___$________________
____$_$__$$___________$$$$$$$_____$_______________
____$__$_$_________$$$________$$__$_______________
_____$$_______$$$_$_____$$_____$________$$$$$$$___
_______$$$_______$_____$$$______$$____$$__$$$__$__
_________$______$________$___$__$____$$_$$___$$_$_
_________$______$_______$$$$$___$___$$_$$____$__$_
__________$_____$$____$$_______$____$__$_____$__$_
___________$$____$$__________$$$$$$$___$___$$__$$_
_____________$$____$$_____$$$_____$_____$$$____$__
__________$$$$$$$$$$$$$_$$$$______$____________$__
_______$$_______$______$____$_____$___________$___
_____$$_________$______$____$_____$$_________$____
___$$___________$_______$___$$$__$$$________$_____
__$____________$$$_______$$$___$$___$______$______
_$$__________$$___$____$$____________$___$$_______
_$__________$______$$$$______________$_$$_________
$$_________$_________________________$____________
$__________$_________________________$____________
_$_________$________________________$_____________
_$$________$_______________________$$$____________
___$$____$$_______________________$__$$___________
_____$$$$$$$$$________________$$$$_____$__________
___$$_________$$$________$$$$$__________$_________
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