s/.9//
h
:1
s/\(.\)0/\1\1/
t1
s/./     /p
s//_/3gp
g
s/^/9 | /p
y/9|/  /
s/0//g
s/.$/&0\n  - &\n    __/
s/1/ 9/2
s/2/18/2
s/4/36/2
:
p
s/^/ /mg
T
x
s/0//
x
t
s/0.*//