Is this a positive OPK?

I haven't gotten AF in three months due to EBF my 8 month old. My opk test lines have been really dark the last few days and I got what I thought was a positive about 12 days ago. I took one today and got this. Should I take this as my positive 12 days ago.  It looks the same as my last positive. So confused. Any thoughts ladies? 
I

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