Come on, i think ur level is more thn 16. And it's enough to learn this game
Cz you hve better quality, play attacking, attack down both flanks with short pass/mixed, zonal marking without counter attack/offside trap.
Or 4-1-4-1 like what eugen said.
YOU're MANAGER, YOU MANAGE
Congratulation Arsenal!!
Hope these thread could help you, Formation-Tactic and GUIDE