As I suspected, my first effort was a little on the small side, so I restarted with an extra 10 stitches and here you have it. One left mitten. :-)
Now all I have to do is to see if I can convert my scrawled notes into a right hand mitten.
After a panicked email to Chooky blue begging for a couple more days, I managed to find a little time and was able to complete my SSCS gifts this morning and >Phew< they will be away in the post next week, all on schedule, no extra time required.
Off to work.