______$$$$$$
____$$$___$$$
___$$$______
___$$$______
____$$$____$$$
_____$$$$$$$$

______$$$$$$
____$$$___$$$
___$$$______
___$$$______
____$$$____$$$
_____$$$$$$$$

______$$$$$$
____$$$___$$$
___$$$______
___$$$______
____$$$____$$$
_____$$$$$$$$

____$$$$$$$$$
____$$$____$$$
____$$$_____$$$
____$$$____$$$
____$$$$$$$$$
____$$$
____$$$
____$$$