TAST #4 Cretan stitch

The stitch for week 4 of Sharon's TAST challenge was Cretan stitch.Since I had not heard about it before,I was intrigued by it,but not so when I started working on it.I kept mixing up the stitches everytime,so much so that Iam still confused if I've done it right.Here's the sampler.

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Learnt a little bit of mirrorwork too this week.The image is a combination of both the samplers.I've used buttonhole and lazy daisy around the mirrors.Not much has been done using cretan though.Guess,I'll just try out Sharon's variations.