2-1 OPTIC
⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⡄⣀⣠⣤⣶⣶⣶⣶⣾⣿⣿⣿⣿⣷⣶⣶⣶⣶⣦⣤⣄⡀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀
⠀⠀⠀⠀⠀⠀⠀⢀⣦⣴⣾⣿⣿⠿⠟⠛⠛⠛⠉⠉⠉⠀⠀⠈⠉⠉⠉⠛⠛⠛⠻⠿⣿⣶⣷⣤⡀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀
⠀⠀⠀⠀⠀⢠⣶⣿⠿⠛⠉⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠈⠙⠻⣿⣷⣦⣦⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀
⠀⠀⣴⣶⣾⡿⠛⠁⠀⢀⣠⣤⣴⡶⠶⠿⠟⠛⠛⠛⠛⠛⠛⠛⠛⠛⠛⠛⠛⠛⠛⠛⠛⠻⠶⠿⣿⣿⣿⣧⣀⠀⠀⠀⠀⠀⠀⠀⠀⠀
⠀⣰⣿⡿⠋⠀⠀⢠⣾⠟⠋⠁⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⣀⣀⣀⡀⠀⠉⢿⣿⣄⡀⠀⠀⠀⠀⠀⠀⠀
⣼⣿⠏⠀⠀⠀⠀⠈⠁⠀⠀⠀⠀⢀⣠⣤⣤⣤⣶⣤⣤⣀⠀⠀⠀⠀⠀⠀⠀⢀⣤⡶⠟⠛⠛⠛⠛⠻⣦⣄⠹⣿⣧⠀⠀⠀⠀⠀⠀⠀
⣾⡟⠀⠀⠀⠀⠀⠀⠀⠀⠀⢠⡾⠛⠉⠁⠀⠀⠀⠀⠉⠛⢷⡄⠀⠀⠀⠀⢀⣿⠉⠀⠀⠀⠀⠀⠀⠀⠈⢻⡆⠘⣿⣧⡤⠀⠀⠀⠀⠀
⣿⡇⠀⠀⠀⠀⠀⠀⠀⠀⠀⢻⣇⠀⠀⠀⠀⣠⣤⣄⠀⠀⢀⡗⠀⠀⠀⠀⢸⣿⣄⠀⠀⠀⠰⣾⡷⠀⣠⡿⠁⠀⠈⢻⣿⡇⠀⠀⠀⠀
⣿⡇⠀⠀⠀⠀⠀⠀⠀⠀⢠⡄⠻⣦⡀⠀⠀⠙⠛⢃⣠⣴⣿⡟⠀⠀⠀⠀⠀⢻⣿⣶⣄⡀⠀⠀⣀⣴⠟⠀⠀⠀⠀⠀⢿⣿⡀⠀⠀⠀
⣿⡇⠀⠀⠀⠀⠀⠀⠀⠀⠈⢿⣄⠈⠛⠳⠶⠶⠚⠛⣻⣿⠟⠀⠀⠀⠀⠀⠀⠀⠙⢻⣿⡟⠛⠛⠋⠁⢀⣴⡟⠀⠀⠀⠘⣿⣧⡄⠀⠀
⣿⣇⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠹⢷⣦⣀⡀⣀⣠⡾⠟⠁⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠙⢿⣶⣤⣤⣴⡿⠋⠀⠀⠀⠀⠀⢸⣿⡆⠀⠀
⢹⣿⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠉⠛⠛⠛⠋⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠈⠉⠉⠉⠀⠀⠀⠀⠀⠀⠀⠈⣿⣿⠀⠀
⢸⣿⣆⠀⠀⠀⠀⠀⠀⠀⢠⡄⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⢹⣿⡇⠀
⠈⢿⣿⣄⠀⠀⠀⠀⠀⢠⡟⠁⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠘⣿⡇⠀
⠀⠚⢿⣿⣆⠀⠀⠀⢠⡿⠀⠀⠀⠀⠀⠀⠀⢀⣀⣤⣤⣴⡶⠶⠾⠿⠛⠛⠛⠛⠛⠛⠛⠻⠷⠶⣦⣤⣄⣀⠀⠀⠀⠀⠀⠀⠀⣿⡇⠀
⠀⠀⠈⣻⣿⣄⠀⠀⣸⠃⠀⠀⣀⣤⡶⠾⠛⠋⠉⠁⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠉⠙⢷⣄⠀⠀⠀⠀⢠⣿⡷⠀
⠀⠀⠀⠁⢻⣿⣆⠀⢻⡄⠀⠘⠋⠁⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⣀⣀⣀⣀⣸⡿⠀⠀⠀⠀⢸⣿⡇⠀
⠀⠀⠀⠀⠀⣿⣿⣆⠈⢿⣄⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⢀⣾⠋⠉⠉⠉⠉⠀⠀⠀⠀⠀⣿⣿⠃⠀
⠀⠀⠀⠀⠀⠀⢻⣿⣦⡀⠙⠷⣦⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⣰⡿⠁⠀⠀⠀⠀⠀⠀⠀⠀⠀⢸⣿⣃⠀⠀
⠀⠀⠀⠀⠀⠀⠀⠙⢿⣷⣄⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠰⢶⣶⣦⣤⣤⣤⣤⡾⠋⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⢀⣿⡏⠀⠀⠀
⠀⠀⠀⠀⠀⠀⠀⠀⠈⢿⣿⣦⣀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠈⠉⠉⠉⠉⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⢀⣾⡿⠀⠀⠀⠀
⠀⠀⠀⠀⠀⠀⠀⠀⠀⠈⠛⠻⣿⣷⣦⣄⡀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⢀⣴⣿⡿⠃⠀⠀⠀⠀
⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠈⠈⠻⢿⣿⣶⣶⣤⣤⣄⣀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⣀⣴⣿⡿⠏⠀⠀⠀⠀⠀⠀
⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠻⠛⡿⠿⣿⣿⣿⣿⣶⣶⣶⣦⣤⣤⣤⣤⣤⣤⣴⣶⣾⣿⣿⡟⠁⠀⠀⠀⠀⠀⠀⠀⠀
⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠙⠉⠉⠉⠛⠛⠛⠛⠛⠛⠛⠛⠛⠉⠉⠃⠀⠀⠀