Zhou Weiyi has a cold temperament and concentrates on doing his own things.
One day there was an extra gift on the seat, and the sticky note on it said
"I wish you the best in the exam"
Later, there were more and more such gifts, and he folded all the sticky notes he received into hearts.
Place it in the jar on the left side of the dining room table at home.
Concept: the tangent point of two circles