As the clock struck midnight, the expert thief stood in front of the impenetrable vault, a mischievous smirk playing on his lips.
200
The only way in was to guess the 10-digit code. 0 0 0 0 0 0 0 0 0 1, 0 0 0 0 0 0 0 0 0 2, he began, looking around himself regularly to check if anyone was watching him.