Case 1:
white
white
black
black
white
black
black
white
black
white
black
black
black
white
black
white
white
white
black
white
white
black
black
black
white
black
white
white
black
white
black
black
white
white
black
white
black
white
black
black
white
white
black
white
black
black
black
black
white
black
black
black
white
black
white
white
white
white
black
white
black
black
white
black
white
white
white
white
white
black
white
white
white
white
white
black
white
white
white
black
black
white
white
white
black
black
black
white
white
white
white
black
white
white
white
white
black
black
black
white
Case 2:
white
black
black
white
black
black
white
black
white
white
white
white
black
white
black
black
white
black
black
white
white
black
white
white
white
white
white
white
white
white
black
black
white
black
black
white
white
white
black
white
white
black
white
white
white
white
black
white
black
black
black
black
black
black
black
white
white
black
white
white
white
black
black
black
white
black
white
white
black
black
black
black
black
black
white
white
black
white
black
black
black
white
black
white
white
black
white
white
white
black
white
black
white
white
white
white
black
black
black
black
