I sat for the just concluded NIMC exam on the 25th Feb but still I was sent a text to choose my location for a make-up test. What does that mean, pls

I sat for the just concluded test and also received 2 txt msgs frm NIMC jobs to9t requesting me to choose a location for a make up test bt surprisingly d ARN on the 2 msgs were 2 different onces which none of them are nt what i used to write d test. Dear Applicant, NIMC invites you for a make-up test. Choose your preferred test location from LAGOS,ENUGU,MINNA,AKURE,ILORIN,IBADAN by sending SMS to any of the Nos: 0807440706,08100444333,08183488285 in the format ARN#LOCATION not later than 12/03/13. Your ARN is 112203488176. Check www.nimcjobs.com

disregard the message if u have writing !!!!!!!!!!!!!!

How can i get the ARN