The dog's head is black on the left and right, white in the middle, black at the tail root and white in other parts.
Answer: According to your description, it is presumed that it is a border collie.
In fact, many breeds of dogs are black and white.
It would be better to have photos.
Border collie, native to the Scottish border, is a kind of sheepdog.
Have a strong shepherd instinct, intelligent nature, good at observing words and feelings,
Can accurately understand the owner's instructions, can drive the sheep to move or rotate at a glance, and has been regarded as a shepherd dog for many years, ranking first in IQ among dog breeds in the world.
If you don't understand, please ask. If you are satisfied, please click "…" in the lower left corner of my answer. This meeting will be held and there will be adoption.
Please adopt it. Thank you.