3-2-3-2:

——-ST—ST—–
—-MC-MC-MC—
DML———----DMR
—-DC-DC-DC—-

A logical choice formation to use against the 4-3-2-1.. 3 DC to block 1 lone striker, a DML and DMR to block attacks from the flanks coming from the AML and AMR, 3 midfield to keep control and 2 strikers to go for goal.