See also this news article and this how-to video. Note that in the two-color swatch, the contrast color was used on rows 5, 6, 11, and 12.
Shown with a cast-on count of 22 stitches.
1 2 3 4 5 Horizontal repeats
1 2 3 4 5 Vertical repeats
Swatch photo uploaded by jcbriar