3-2-2-2-1 butterfly tactic

[Diogo Filipe]

i use 4-2-3-1
goalkeeper
right back 2 centrers left back
2defense midlle
right midlle 1 center midle left midlle
1forward


normal settings and counter atack

[Samti Hueplet]

i use 4-2-3-1
goalkeeper
right back 2 centrers left back
2defense midlle
right midlle 1 center midle left midlle
1forward


normal settings and counter atack

That is an ILLEGAL formation