i've added another element to the lampas samples: an additional secondary weft. So now there are two warps (primary warp is green bamboo and secondary is blue silk) and three wefts (one primary, dark blue; and two secondary, yellow-green and blue).
Here's a closer look:
Theoretically, since there are three blocks, you could add a third secondary weft for the third block, but then you wouldn't have any place to show off the primary cloth. Just saying.