You can really see the contrast when you compare these two pieces of carpeting side by side.
Carpet two direction.
Actually they are all the same color of carpet.
This is what i would do.
Although your carpet cleaner looks very much like a regular hoover vacuum it uses water and a carpet cleaning solution to remove dirt and buildup from your carpet.
Run the carpet up from the kitchen all the way to the second floor because it is a straight line of sight.
Orienting the tiles in the same direction will create a seamless look.
Generally seams should run in the same direction as most foot traffic.
Then bring the entry hall stair carpet up to the landing.
See these three different colors of carpet.
They are just laid with the nap facing opposite directions.
Carpet comes on a roll that s 12 feet wide and runs well essentially to infinity.
I bet no one will notice the pattern change.
Due to the nature of the carpet this is the direction it should be installed whether on the floor or stairs.
To keep your carpet looking like new it should be cleaned with a carpet cleaner at least once a year.
Think of it like this.
It looks like your carpet pattern would not make a difference in layout.
Your newly cleaned carpet will look as good as new after being cleaned.
Ideally you would install carpet on stairs as if the roll were rolling down the stairs.
On stairways the pile should sweep down.
The manufacturer recommends how to orient the tiles.
Carpet tiles will have arrows on the back that indicate the direction of the carpet pile.