I haven't optimized this for losses, just wanted it nice, quick and easy, which it is.
Image courtesy of Killste/Tage
Camp 4
MMA 220R (38R)
Camp 5 & 6
MMA 220R (134R)
camp 7
MG 120R 150K (99R), V 120R 130K (105R)
Camp 8
MMA 220R (81R)
Camp 9
MG 160R 110K (136R), V 160R 90K (148R)
Camp 10
MMA 130R 90K (110R)
Leader
MMA 1R
MMA 1R
MG 110R 160k (65R), V 110R 140K (75R)
or if only 1MMA -
MMA 1R
MG 130R 140K (112R), V 130R 120K (116R)
So that's 160K (or 200K for speed), about 800R needed and no cavalry