C1112 Black Hole

They had come prepared, in addition to the safe to test the passcode, with flashlights to illuminate the road ahead.

Alexander used two beams of light to lead the way to the study. He and Lu Xiao were very excited. When they searched for clues, they didn't even let go of the pieces of paper. Unfortunately, there were many sets of possible numbers, but none of them were correct.

After a night