Всё очень просто, вам даётся яблоко и вы откусываете, кусочек. Когда яблоко заканчивается просто берём новое и так далее.

__________________________$$
_________________________$$$$
_______________________$$$$$$
______________________$$$$$$
______________________$$$$
______________________$$
_________$$$$$$$$$$$$$_$$$$$$$$$$$$$
______$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$
____$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$
___$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$
__$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$
_$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$
_$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$
_$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$
_$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$
__$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$
___$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$
____$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$
_____$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$
______$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$
________$$$$$$$$$$$$$$$$$$$$$$$$$$$$$
__________$$$$$$$$$$$$$$$$$$$$$$$$$
____________$$$$$$$$$$$$$$$$$$$$$
______________$$$$$$$$__$$$$$$$