Knitting: Cable: Moss Stitch Diamond

(worked over 15 sts)

Stitch Explanation:

3-st RPC Sl 1 st to cn and hold to back, k2, p1 from cn. 
3-st LPC Sl 2 sts to cn and hold to front of work, p1, k2 from cn. 
5-st LPC Sl 3 sts to cn and hold to front, k2, sl the p st from cn and p it, k2 from cn.

Pattern:

Row 1 (RS) 3-st LPC, [p1, k1] 4 times, k1, 3-st RPC. 
Row 2 K1, p2, [k1, p1] 5 times, p1, k1. 
Row 3 P1, 3-st LPC, [p1, k1] 3 times, p1, 3-st RPC, p1. 
Row 4 K2, p2, [k1, p1]4 times, p1, k2. 
Row 5 P2, 3-st LPC, [p1, k1] twice, p1, 3-st RPC, p2. 
Row 6 K3, p2, [k1, p1] 3 times, p1, k3. 
Row 7 P3, 3-st LPC, p1, k1, p1, 3-st RPC, P3. 
Row 8 K4, p2, k1, p1, k1, p2, k4. 
Row 9 P4, 3-st LPC, p1, 3-st RPC, p4. 
Row 10 K5, p2, k1, p2, k5. 
Row 11 P5, 5-st LPC, p5. 
Row 12 K5, p2, k1, p2, k5. 
Row 13 P4, 3-st RPC, k1, 3-st LPC, p4. 
Row 14 K4, p2, k1, p1, k1, p2, k4. 
Row 15 P3, 3-st RPC, k1, p1, k1, 3-st LPC, p3. 
Row 16 K3, p2, [k1, p1] 3 times, p1, k3. 
Row 17 P2, 3-st RPC, [k1, p1] twice, k1, 3-st LPC, p2. 
Row 18 K2, p2, [k1, p1]4 times, p1, k2. 
Row 19 P1, 3-st RPC, [k1, p1] 3 times, k1, 3-st LPC, p1. 
Row 20 K1, p2, [k1, p1]5 times, p1, k1. 
Row 21 3-st RPC, [k1, p1] 4 times, k1, 3-st LPC. 
Row 22 P2, [k1, p1] 6 times, p1.
Rep rows 1–22.

Note: this is a generic pattern for creating this cable. For a single cable it would be 15 stitches. In the example shown, there is one repeat of the stitch with 6 stitches are on either side, so you'd need to cast on 27 (6 + 15 + 6) stitches and knit 6 stitches before and after the pattern.

ABBREVIATIONS / REFERENCES
Click for explanation and illustration
cn = cable needle sl = slip
k = knit rep = repeat(s)(ing)
k2tog = knit 2 together RS = right side
p = purl WS = wrong side
st(s) = stitch(es)  

Stitch directions reproduced with permission, from Vogue Knitting Stitchionary: Volume Two, Sixth & Spring Books, 2005