alternate skeins after neckband start.
CO for 40”. Increase with Raglan to the 44” size.
Decrease 2 times total, then knit 20 rows. Increases in triplets for a fuller shape.
One purl row of main color, then start intarsia block of imagination (keeping the neckband the same on both ends using each skein on either end). One more purl row to finish this in the main color, immediately moving into cabled portion.
Similar treatment on the arms, but shorter.