Sierpinski Fractal by emoken

s|$|@ /\\ \n/__\\|
:
/1/{s/1@\| *$//gm;q}
h
s/.@//
s/./a&/gm
:1
s/.*/ & /gm
s/a\(.*\)a/\1/gm
//b1
s/^/%/
H
g
s/.@\|.%.*//g
s/.*/&&/gm
H
x
s/@.*%/@/
y/5432/4321/
b

Note that non-ascii characters in the above source code will be escaped (such as \x9f).

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