Slip Stitch Knititng 26 in the round

PATTERN IN THE ROUND
Cast on an even number of stitches.
Round 1: Color A, *K1, sl1 wyif, repeat from *.
Round 2: Color A, *Sl1 wyif, k1, repeat from *.
Round 3: Color B, *K1, sl1 wyif, repeat from *.
Round 4: Color B, *Sl1 wyif, k1, repeat from *.
Repeat rounds 1-4.

Worked flat, see Slip Stitch Knitting 26: Two color Linen stitch