Double Helix Cable Cast on 20 stitches. Work rows 1 and 2. Work pattern rows 3-38 (repeat 3-38 if longer patterned strip is desired). Work rows 39 and 40 after desired number of repeats. Row 1:  Right side.  p2, k13, p5 Row 2: Wrong side.  k5, p13, k2 Row 3:  p2, slide 2 onto cable needle, hold in front, p1, then k2 from cable needle, p8, slide 2 onto cable needle, hold in front, p2, then k2 from cable needle, p3 Row 4:  k3, p2, k10, p2, k3 Row 5:  p3, slide 2 onto cable needle, hold in front, p2, then k2 from cable needle, k8, slide 2 onto cable needle, hold in front, k1, then k2 from cable needle, p2 Row 6:  k2, p13, k5 Row 7:  p5, slide 2 onto cable needle, hold in front, p2, then k2 from cable needle, p7, skip 1 st and knit the 2nd st, leaving it on the needle, then knit the skipped st and sl both sts from needle together, p2 Row 8:  k2, p2, k7, p2, k7 Row 9:  p7, slide 2 onto cable needle, hold in front, p2, then k2 from cable needle, k4, slide 1 onto cable needle, hold in back, k2, then p1 from cable needle, p2 Row 10:  k3, p8, k9 Row 11:  p9, slide 2 onto cable needle, hold in front, p2, then k2 from cable needle, slide 2 onto cable needle, hold in back, k2, then p2 from cable needle, p3 Row 12:  k5, p4, k11 Row 13:  p11, slide 2 onto cable needle, hold in back, k2, then k2 from cable needle, p5 Row 14:  k5, p4, k11 Row 15:  p9, slide 2 onto cable needle, hold in back, k2, then k2 from cable needle, slide 2 onto cable needle, hold in front, k2, then k2 from cable needle, p3 Row 16:  k3, p8, k9 Row 17:  p7, slide 2 onto cable needle, hold in back, k2, then p2 from cable needle, p4, slide 2 onto cable needle, hold in front, p1, then k2 from cable needle, p2 Row 18:  k2, p2, k7, p2, k7 Row 19:  p5, slide 2 onto cable needle, hold in back, k2, then k2 from cable needle, k7, skip 1 st and knit the 2nd st, leaving it on the needle, then knit the skipped st and sl both sts from needle together, p2 Row 20:  k2, p13, k5 Row 21:  p3, slide 2 onto cable needle, hold in back, k2, then p2 from cable needle, p8, slide 1 onto cable needle, hold in back, k2, then p1 from cable needle, p2 Row 22:  k3, p2, k10, p2, k3 Row 23:  p2, slide 1 onto cable needle, hold in back, k2, then k1 from cable needle, k8, slide 2 onto cable needle, hold in back, k2, then p2 from cable needle, p3 Row 24:  k5, p13, k2 Row 25:  p2, take right needle behind left needle, skip 1 st and knit the second st in the back loop, then knit the skipped st in front loop, sl both sts from needle together, p7, slide 2 onto cable needle, hold in back, k2, then p2 from cable needle, p5 Row 26:   k7, p2, k7, p2, k2 Row 27:  p2, slide 2 onto cable needle, hold in front, p1, then k2 from cable needle, k4, slide 2 onto cable needle, hold in back, k2, then p2 from cable needle, p7 Row 28:  k9, p8, k3 Row 29:  p3, slide 2 onto cable needle, hold in front, p2, then k2 from cable needle, slide 2 onto cable needle, hold in back, k2, then p2 from cable needle, p9 Row 30:  k11, p4, k5 Row 31:  p5, slide 2 onto cable needle, hold in back, k2, then k2 from cable needle, p11 Row 32:  k11, p4, k5 Row 33:  p3,slide 2 onto cable needle, hold in back, k2, then k2 from cable needle, slide 2 onto cable needle, hold in front, k2, then k2 from cable needle, p9 Row 34:  k9, p8, k3 Row 35:  p2, slide 1 onto cable needle, hold in back, k2, then p1 from cable needle, p4, slide 2 onto cable needle, hold in front, p2, then k2 from cable needle, p7 Row 36:  k7, p2, k7, p2, k2 Row 37:  p2, take right needle behind left needle, skip 1 st and knit the second st in the back loop, then knit the skipped st in front loop, sl both sts from needle together, k7, slide 2 onto cable needle, hold in front, k2, then k2 from cable needle, p5 Row 38:  k5, p13, k2 Row 39:  p2, slide 2 onto cable needle, hold in front, p1, then k2 from cable needle, p8, slide 2 onto cable needle, hold in front, p2, then k2 from cable needle, p3 Row 40:  k3, p2, k10, p2, k3