#!ruby -na i=$F.map &:to_i a,b,c=[1,9,17].map{|n|x,y=[n,n+2].map{|o|[*i[o]...i[o]+i[o+4]]};x.product y} puts %w[ab ac bc abc].zip([a&b,a&c,b&c,a&b&c].map &:size)*' '