def sol s,e,a,k,d
    if k == 0
        if d == 0
            return a
        else
            return nil
        end
    else
        if d < (s * 2 + k - 1) * k / 2 || d > (e * 2 - k + 1) * k / 2
            return nil
        else
        s.upto(e){|i|
            a.push(i)
            tmp = sol(i + 1,e,a,k - 1,d - i)
            if tmp
                return tmp
            end
            a.pop
            }
        return nil
        end
    end
end
n,d,k = gets.split.map(&:to_i)
if d < k * (k + 1) / 2 || d > (n * 2 - k + 1) * k / 2
    p -1
else
    tmp = sol(1,n,[],k,d)
    if tmp
        puts tmp.join(' ')
    else
        p -1
    end
end