Carpet pile should run in the same direction throughout the house sweeping towards the main entrance.
Carpet two direction.
Actually they are all the same color of carpet.
Carpet tiles will have arrows on the back that indicate the direction of the carpet pile.
This is what i would do.
Your newly cleaned carpet will look as good as new after being cleaned.
Think of it like this.
Generally seams should run in the same direction as most foot traffic.
They are just laid with the nap facing opposite directions.
Ideally you would install carpet on stairs as if the roll were rolling down the stairs.
Carpet does have a direction usually indicated on the carpet backing.
See these three different colors of carpet.
Carpet comes on a roll that s 12 feet wide and runs well essentially to infinity.
The manufacturer recommends how to orient the tiles.
On stairways the pile should sweep down.
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.
Any two carpet tiles facing in different directions will appear to be slightly different colors.
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.
It looks like your carpet pattern would not make a difference in layout.
Orienting the tiles in the same direction will create a seamless look.
Run the carpet up from the kitchen all the way to the second floor because it is a straight line of sight.