N = gets.to_i
A = gets.split(" ").map.with_index{|s, i| [s.to_i, i+1]}

top = true
ans = []

A.sort_by{|x, i| -x}.each {|x, i|
	if top then
		ans.unshift(i.to_s)
	else
		ans.push(i.to_s)
	end
	top = !top
}

i = ans.index("1")

puts (ans[i, N-i] + ans[0, i] + ["1"]).join(" ")