I did test 4-5-1v and it wasnt great at all.. 3-5-2v was a bit better but also hard times for same quality team.. i did test 4-1-4-1 and also was crap.. 4-5-1v lost 3-2.. 3-5-2v draw 2-2.... 4-1-4-1 draw 0-0 all games was again same quality teams..
I came with idea 4-1-1-2w-2 but still thinking