Euroswapper

I can offer 2 Martinique 2012
1 Limousin 2011 and 2012
1 Aquitaine 2012

I swap for 5 commemorative coins

please explain me.
You have 4 coins and need 40 x 2 euro commemorative?
It is so?
2 euro must be different or ugual?
write me at mariarita001@yahoo.it