Japanese numeral for Ruby kaigi by kaki

#!ruby -nlKu
p eval$_.chars.map{|c|(t=[*"0\xe4\xb8\x80\xe4\xba\x8c\xe4\xb8\x89\xe5\x9b\x9b\xe4\xba\x94\xe5\x85\xad\xe4\xb8\x83\xe5\x85\xab\xe4\xb9\x9d".chars].index c)?[t,:*]:"#{10**%w[\xe5\x8d\x81 \xe7\x99\xbe \xe5\x8d\x83].index(c)}0+"}.join.chop

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

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