ČSEL Champ 2021



⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⣠⣴⣾⠭⠭⣭⡙⠒⢤⡀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀
⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⣸⡟⠉⠀⠀⠀⠀⠉⣦⣄⣹⡄⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀
⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⢼⠀⠀⠀⢀⡤⣤⣤⠽⣧⣿⣷⡀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀
⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⢸⡤⢒⣧⠉⠻⠟⠉⠀⠛⢛⡟⢻⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀
⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⢫⠹⢟⡠⠼⠢⡄⠀⠀⢀⣭⡟⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀
⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠘⡄⢀⣤⣖⠒⠋⠀⠀⢀⡇⢹⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀
⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠸⡍⡴⠒⠂⠀⣀⣴⠟⡇⠈⢧⠀⠀⠀⠀⠀⠀⠀⡀⡀⠀⡾⠦⡀⠀⠀⠀⠀⠀⠀⠀⠀
⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠙⢶⣼⣶⡿⠟⠁⠀⡇⠀⠈⠣⢄⣀⠀⠀⠀⠀⠻⡉⠢⡱⡀⠙⡄⠀⠀⠀⠀⠀⠀⠀
⠀⠀⢀⣀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠈⡟⣿⡇⠀⠀⠀⠃⠀⠀⠀⠀⠀⠉⠓⢤⣀⠀⠘⢦⡈⠛⢄⠈⢦⢀⠞⢽⠇⠀⠀
⠀⢠⡞⢸⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⢳⢸⣿⣦⠀⠀⠀⠀⠀⢀⡠⠄⠀⠀⠘⠯⣉⡒⠤⠵⠀⠀⠀⠀⠻⡄⡏⠀⠀⠀
⢠⡧⡇⡆⠀⠀⣠⠖⡶⠀⠀⠀⠀⠀⠀⡰⡋⠀⠀⠀⠀⢀⡤⠴⠊⠁⠀⠀⠀⠀⢠⣤⠤⣌⣑⣦⠀⠀⠀⠀⠀⠑⢰⠀⠀⠀
⣸⣣⡇⠘⡦⡼⠁⡜⠁⠀⠀⠀⠀⣠⠊⠀⠀⠀⠀⠀⠛⠁⢀⣀⠤⠶⠒⠒⠒⠒⠺⢙⠒⠲⠤⡀⠀⠀⠀⠀⠀⠀⠸⡄⠀⠀
⢸⡏⡷⠊⠀⠀⢠⠃⠀⠀⠀⠀⣜⠵⠒⠊⠉⠉⠀⠀⡴⠊⠁⠀⠀⠀⠀⠀⠀⠀⠀⠈⢳⣄⠀⠈⠲⢄⠀⠀⢀⣠⣾⣇⠀⠀
⠘⣏⠃⠀⢸⠀⣼⠀⠀⠀⠀⢸⡎⠀⠀⠀⠀⠀⠀⡜⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⢸⢈⣷⣷⣾⣿⣿⣿⣿⣿⣿⣿⠀⠀
⠀⠘⣦⣤⣿⣾⣿⡄⠀⠀⠀⣼⠀⠀⠀⠀⠀⠀⢰⠁⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⣿⣿⣿⣿⣿⠿⢿⣿⣿⣿⣿⣿⡇⠀
⠀⠀⢹⣿⣿⣿⣿⣿⣄⠀⢠⢿⠀⠀⠀⠀⠀⠀⢸⠀⠀⠀⠀⠀⣀⡀⠀⠀⠀⠀⠀⣼⣿⣿⡿⠋⠀⠀⢸⠿⣿⠿⠿⡏⢱⠀
⠀⠀⠀⢻⣿⣿⣿⠟⠋⢳⡏⠸⣀⣤⡀⠀⠀⠀⠀⣇⠀⠀⠀⠪⠿⠗⠀⠀⣀⡤⠞⠻⣿⡟⠀⠀⠀⢠⠋⠀⠀⠀⠀⡇⢸⡀
⠀⠀⠀⠀⡏⠀⠀⠀⠀⢰⡄⠀⠻⡚⡡⠔⠚⠠⠤⣈⣉⠓⠒⠒⠓⠛⠋⠉⠀⠀⠀⠀⠀⠙⣦⠀⠀⡇⠀⠀⠀⠀⠀⠁⠀⠃
⠀⠀⠀⠀⢹⠀⠀⠀⠀⠀⢣⡀⠀⡏⡄⠀⠀⢰⠃⠀⠀⠉⠒⠤⢄⡐⠒⢒⡖⠒⠋⠀⠀⠀⢸⣆⠀⠳⡀⠀⠀⠀⠀⠀⢸⠀
⠀⠀⠀⠀⠀⢣⠀⠀⠀⠀⠀⠀⠰⢧⠃⠀⠀⢸⠀⠀⠀⠀⠀⠀⠀⠀⠀⡜⢠⡤⠞⠀⠀⠀⡿⠘⢦⡀⠀⠀⠀⠀⠀⠀⡈⠀
⠀⠀⠀⠀⠀⠀⠳⣄⠀⠀⠀⠀⠀⡟⠀⠀⠀⣸⣄⣀⣀⠀⠀⠀⢀⡠⠞⠁⡸⠀⢀⡀⠀⣸⠁⠀⠀⠙⠢⢄⣀⣀⣀⣠⠀⠀
⠀⠀⠀⠀⠀⠀⠀⠈⢣⡀⠀⠀⠀⢸⣄⠑⠉⠁⡇⠀⠀⠉⠉⠉⠁⠀⠀⠔⠁⠀⡼⠀⣰⠃⠀⠀⠀⠀⠀⠀⠀⠀⠈⠀⠀⠀
⠀⠀⠀⠀⠀⠀⠀⠀⠀⠙⠲⠦⠴⡞⠃⠀⠀⠀⡄⠀⠀⠀⠀⠀⠀⠀⢀⡄⠀⠚⠁⢀⠇⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀
⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⢠⠃⢩⠓⠤⠤⢱⠀⠒⠒⠠⠤⠄⠒⠁⠀⡀⠀⠀⢸⡆⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀
⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⢸⣀⠘⠀⠀⠀⢸⠀⠀⠀⠀⠀⠀⠀⠀⡰⠃⠀⣠⠏⡇⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀
⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⣠⢟⣆⠳⣀⠀⠘⡄⠀⠀⠀⣀⣀⠴⢚⡡⠖⠉⢀⠔⢳⡀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀
⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⢈⢯⢿⣜⡄⠈⠙⠒⠹⠶⠊⠉⠀⠀⡰⣋⡤⠔⢺⡳⣧⠀⢳⡀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀
⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⣸⠸⡎⠀⡟⠢⣄⣠⣀⣀⣀⣠⡤⠖⠋⠁⠀⠀⠀⢳⣷⡷⡀⢧⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀
⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⢀⡇⠀⢀⡾⠃⠀⢸⠿⡇⠈⠀⠀⣷⡇⠀⠀⠀⠀⠀⠀⠑⠤⠧⠼⡿⠀⠀⠀⠀⠀⠀⠀?