I thought I`ve seen my share of Weird Formations Until I`ve seen this one.

[S.M]

i`m playing the match now and he is playing with that same formation

[Razz]

i`m playing the match now and he is playing with that same formation

And you have 80% possession because he has 3 flankers on his left.

I'd counter it with

xx dc. dc. dc. xx
xx xxx xx xxx xx
mr xx mc. mc ml
xx amc xx xx aml
xx xxx xxx st. xx

attacking down the left flank