K... I'm using E for your edge stitches, but it would go like this:
once you turn your work those stitches will now be:
(the you work your next row which is
Can you see in the first 3 stitches, the row of knit that will form, the row of moss, then the row of purls? This is how you would continue on in pattern till you get to your desired length.
EDIT: Wow, colouring in a line changes it's dimensions a little
but not to worry, you get the idea