Number Sign by kimiyuki

s/^/ | | \n-+-+-\n | | \n-+-+-\n | | \n/
s/7/331/
s/3/111/g
:
s/1//
/1/{
s/\([ -]\)*/&\1/g
s/\( [ |]*\n\)[-1]/\1&/g}
t

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

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