output dollars by tails

s/$/A  |\n _|_\nA| |\n|_|_\nA  | |\n _|_|\nA  |\n  |/
:
y/123456/012345/
h
s/A\(.*\n\)/&\1/mg
s/_|_/_&_/g
s/ |/ &/g
/0/!b
g
s/0*A.*\n//mg

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

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