보인다 보여 - 카운터사이드 채널

⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀
⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⣠⢤⣄⡀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀
⠀⠀⠀⠀⠀⠀⠀⣀⣀⣤⠶⠺⡇⢠⠀⠉⠉⠉⠛⠓⠶⣄⡀⠀⠀⠀⠀⠀⠀⠀
⠀⠀⠀⠀⢀⣴⠞⠉⠀⠀⠀⠀⠻⣜⣧⠀⠀⠀⠀⠀⠀⠀⠙⢦⡀⠀⠀⠀⠀⠀
⠀⠀⠀⢠⡞⠀⠀⡼⠀⠀⣠⢦⠀⠘⠺⠦⠀⠀⡀⠀⠀⠙⣦⠀⠻⡄⠀⠀⠀⠀
⠀⠀⢀⡏⢀⠀⣼⢃⣠⠞⠃⠘⢧⡀⠀⢷⣦⣀⠻⣶⣤⣀⠘⢧⠀⢻⠀⠀⠀⠀
⠀⠠⣿⢇⣾⠀⣿⣿⣷⣶⣶⣤⣄⡙⠶⢴⣷⣍⣽⣿⣷⣭⣭⣽⡇⢸⣇⠀⠀⠀
⠀⠘⠛⡏⣿⢾⣿⣿⣤⣿⣿⣿⣿⠁⠀⠀⠈⢹⣏⣽⣿⣿⣿⣿⡇⢸⣼⠀⠀⠀
⠀⠀⠀⡷⣽⠸⡇⠙⠛⠿⠟⠛⠁⠀⠀⠀⠀⠘⠻⢿⣿⠿⠛⢁⣇⡟⢸⡄⠀⠀
⠀⠀⢰⠇⠘⢧⣷⢤⣄⣀⣀⡀⠀⠀⠘⠛⠇⠀⠀⣀⣀⣀⣠⣼⡟⠁⠀⢷⡀⠀
⠀⢠⡟⠀⠀⠈⠻⠆⣰⣿⣿⣿⣿⠻⠿⣿⡿⠟⣿⣿⣿⣿⣷⠋⠀⠀⠀⠈⣧⠀
⢀⡟⠀⠀⠀⠀⠀⡞⠛⢿⡟⠛⠛⠒⠛⠛⠓⠒⠛⠛⠻⠟⠛⠛⣷⠀⠀⠀⢸⡄
⣾⠀⠀⠀⠀⢠⡞⠷⣦⠀⣀⣤⣤⡄⠀⣤⢠⡄⣤⣤⣤⡀⣴⠞⠛⣧⠀⠀⠘⡇
⢿⡀⠀⠀⠀⢸⠀⠀⣽⠆⠿⢿⣿⡇⢾⡝⢻⠧⠟⠛⣿⠁⢹⡀⠀⢸⠀⠀⢠⡇
⠈⢷⡀⠀⠀⠘⠶⡶⠞⠁⠀⠀⠉⠁⠘⠛⠛⠃⠀⠀⠉⠀⠈⠓⢲⡏⠀⠀⣸⠁

⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀ ⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⣠⢤⣄⡀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀ ⠀⠀⠀⠀⠀⠀⠀⣀⣀⣤⠶⠺⡇⢠⠀⠉⠉⠉⠛⠓⠶⣄⡀⠀⠀⠀⠀⠀⠀⠀ ⠀⠀⠀⠀⢀⣴⠞⠉⠀⠀⠀⠀⠻⣜⣧⠀⠀⠀⠀⠀⠀⠀⠙⢦⡀⠀⠀⠀⠀⠀ ⠀⠀⠀⢠⡞⠀⠀⡼⠀⠀⣠⢦⠀⠘⠺⠦⠀⠀⡀⠀⠀⠙⣦⠀⠻⡄⠀⠀⠀⠀ ⠀⠀⢀⡏⢀⠀⣼⢃⣠⠞⠃⠘⢧⡀⠀⢷⣦⣀⠻⣶⣤⣀⠘⢧⠀⢻⠀⠀⠀⠀ ⠀⠠⣿⢇⣾⠀⣿⣿⣷⣶⣶⣤⣄⡙⠶⢴⣷⣍⣽⣿⣷⣭⣭⣽⡇⢸⣇⠀⠀⠀ ⠀⠘⠛⡏⣿⢾⣿⣿⣤⣿⣿⣿⣿⠁⠀⠀⠈⢹⣏⣽⣿⣿⣿⣿⡇⢸⣼⠀⠀⠀ ⠀⠀⠀⡷⣽⠸⡇⠙⠛⠿⠟⠛⠁⠀⠀⠀⠀⠘⠻⢿⣿⠿⠛⢁⣇⡟⢸⡄⠀⠀ ⠀⠀⢰⠇⠘⢧⣷⢤⣄⣀⣀⡀⠀⠀⠘⠛⠇⠀⠀⣀⣀⣀⣠⣼⡟⠁⠀⢷⡀⠀ ⠀⢠⡟⠀⠀⠈⠻⠆⣰⣿⣿⣿⣿⠻⠿⣿⡿⠟⣿⣿⣿⣿⣷⠋⠀⠀⠀⠈⣧⠀ ⢀⡟⠀⠀⠀⠀⠀⡞⠛⢿⡟⠛⠛⠒⠛⠛⠓⠒⠛⠛⠻⠟⠛⠛⣷⠀⠀⠀⢸⡄ ⣾⠀⠀⠀⠀⢠⡞⠷⣦⠀⣀⣤⣤⡄⠀⣤⢠⡄⣤⣤⣤⡀⣴⠞⠛⣧⠀⠀⠘⡇ ⢿⡀⠀⠀⠀⢸⠀⠀⣽⠆⠿⢿⣿⡇⢾⡝⢻⠧⠟⠛⣿⠁⢹⡀⠀⢸⠀⠀⢠⡇ ⠈⢷⡀⠀⠀⠘⠶⡶⠞⠁⠀⠀⠉⠁⠘⠛⠛⠃⠀⠀⠉⠀⠈⠓⢲⡏⠀⠀⣸⠁