The first one is wide diamond dc x2 dl x1dr x1 dmc x1 ml x1 mrx 1 amc x1 st x2 and is valid. All your formations are valid (not illegal)
If you have an illegal formtion you have only 20 possesion. You need to have a goalkeeper in his natural position min. 3 DCs 1 MC 1ST etc
More info here http://forum.topeleven.com/tutorials...formation.html