My current formation now is simply 433 with (2 CBs, RSB, LSB), (2 CMs, 1 RMF), (1 LWF, 1 ST, 1 CF).
The back line is pushed more towards the mid field.
It is very similar to default Arsenal formation, but pushing the LMF to a LWF position.
Back line and the the two center midfeilds...