Japanese numeral for Ruby kaigi by shinh

#!ruby -n
v=0
scan(/$|\x99\xbe|\x8d\x83.|\x8d/m){v+=10**$&.size*(($&[0]?2:1)+(" \xb8\x80\xba\x8c\xb8\x89\x9b\x9b\xba\x94\x85\xad\xb8\x83\x85\xab\xb9\x9d"=~/#{$`[-3,2]}/||0)>>1)}
p v

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

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