On stairways the pile should sweep down.
Carpet two direction.
Think of it like this.
Actually they are all the same color of carpet.
I bet no one will notice the pattern change.
Carpet tiles will have arrows on the back that indicate the direction of the carpet pile.
Carpet does have a direction usually indicated on the carpet backing.
Then bring the entry hall stair carpet up to the landing.
Orienting the tiles in the same direction will create a seamless look.
Your newly cleaned carpet will look as good as new after being cleaned.
Generally seams should run in the same direction as most foot traffic.
See these three different colors of carpet.
It looks like your carpet pattern would not make a difference in layout.
They are just laid with the nap facing opposite directions.
The manufacturer recommends how to orient the tiles.
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.
This is what i would do.
Carpet comes on a roll that s 12 feet wide and runs well essentially to infinity.
Any two carpet tiles facing in different directions will appear to be slightly different colors.
Carpet pile should run in the same direction throughout the house sweeping towards the main entrance.
You can really see the contrast when you compare these two pieces of carpeting side by side.