2.2.2.2:1337->1.1.1.1:1337
2.2.2.2:1337->3.3.3.3:1337
3.3.3.3:1337->1.1.1.1:1337
4.4.4.4:1337->1.1.1.1:1337
4.4.4.4:1337->2.2.2.2:1337
4.4.4.4:1337->3.3.3.3:1337