itszero

steps = 5

(1..steps)
  .map { |x| (1..steps-1).map { |y| [x, y] } }
  .flatten(1)
  .select { |x, y| steps - x - y > 0 }
  .group_by { |x, y| x }
  .each do |x, sets|
    sets.each do |x, y|
      puts [x, y].inspect

itszero

#!/usr/bin/ruby -w
require 'socket'

server = TCPServer.open(7788)
loop do
  Thread.start(server.accept) do |client|
    client.write "[Host]:[Port]> "
    target = ""
    while s = client.getc.chr
      client.write s