bbnd全家福版本…
⠀⠀⠀⠀⢀⣀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⢀⣀⠀⠀⠀⠀
⠀⠀⠀⠀⠁⠠⢈⠐⢠⡀⠤⠀⠒⠒⠀⠤⢀⠔⠈⡠⠀⢡⠀⠀⠀
⠀⠀⠀⠀⡄⠀⡠⠂⠁⠀⠀⠀⠀⠀⠀⠀⠀⠁⠢⡀⠀⡀⠀⠀⠀
⠀⠀⠀⠀⠐⠔⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠈⠔⠀⠀⠀⠀
⠀⠀⠀⠀⠘⠀⠀⠀⠀⠀⠀⠀⠀⠀⢠⠤⠀⠀⠀⠀⠈⠀⠀⠀⠀
⠀⠀⠀⠀⠀⠀⠀⡎⣴⣾⣶⡀⠀⠀⣠⣾⣶⡌⡆⠀⠀⠀⠀⠀⠀
⠀ ⠐⠂⠴⡤⠤⠔⠼⢛⠫⠃⣤⡄⠫⢛⠛⠕⠤⠤⠴⠤⠒⠀
⠀⠀⢀⠠⠐⠘⢅⠀⠀⠀⠀⠐⠊⠒⠀⠀⠀⠀⢀⠝⠑⠠⢀⠀⠀
⠀⠀⠀⠀⠀⠀⠀⠈⠐⠠⠤⠀⠀⠀⠠⠤⠐⠊⠁⠀⠀⠀⠀⠁⠀
⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀
⠀⠀⠀⠀⣠⠤⠀⢀⡀⠤⠄⠀⠀⠀⠠⠤⠀⡀⢀⠤⣄⠀⠀⠀⠀
⠀⠀⠀⠀⠣⠀⠊⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠁⠪⡐⠀⠀⠀⠀
⠀⠀⠀⢀⠂⠀⠀⠀⠀⠤⠀⠀⠀⠀⠀⠤⠀⠀⠀ ⠐⡀⠀⠀⠀
⠀⠀⠀⠈⠀⠀⠀⠀⠀ ⠀⠀⠀⠀ ⠀⠀⠀⠀⠀⠀ ⢠⠀⠀⠀
⠀⠀ ⠸ ⠀⠀⠀⠀⠛⠓⠀⣀⡀ ⠛⠓ ⠀⠀ ⠀ ⠸⠀⠀⠀
⠀⠀⠀⠘⡀⣀⠀⠤⠤⢀⣎⠀⠉⠀⣑⡀⠤⠤⠀⣀⢀⠂⠀⠀⠀
⠀⠀⠐⠉⢈⠦⢔⡈⠁⠀⠈⠀⠉⠀⠁⠀⠈⠁⡂⠴⡁⠉⠂⠀⠀
⠀⠀⠀⠀⠀⠀⠀⠀⠉⠁⠀⠐⠒⠂⠀⠈⠉⠀⠀⠀⠀⠁⠀⠀⠀

⠀⠀⠀⠀⠀⠀⠰⠉⠑⢄⠀⠀⠀⠀⠀⠠⠐⠉⠂⠀⠀⠀⠀⠀⠀
⠀⠀⠀⠀⠀⠀⡇⠈⠄⠈⢢⠀⣀⠀⡐⠁⢠⠁⠘⠀⠀⠀⠀⠀⠀
⠀⠀⠀⠀⠀⠀⡇⢀⠌⠂⠉⠀⠀⠀⠉⠑⠣ ⠀⡇⠀⠀⠀⠀⠀⠀
⠀⠀⠀⠀⠀⠀⡗⠁⠀⠀⠀⠀⠀⠀⠀⠀⠀⠈⠢⠀⠀⠀⠀⠀⠀
⠀⠀⠀⠀⠀⡘⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⢡⠀⠀⠀⠀⠀
⠀⠀⠀⠀⠀⠇⠀⠀⠀⠰⠶⠄⠀⠀⠶⠆⠀⠀⠀⠈⡀⠀⠀⠀⠀
⠀⠀⠀⠀⡠⠃⠀⠀⣰⠊⣻⣆⠀⣰⠊⣻⣦⠀⠀⠀⢄⠀⠀⠀⠀
⠀⠀⠀⠀⣁⡀⠀⠀⠙⠾⢶⠯ ⠼⣾⠶⠟⠀⠀⢀⣀⠀⠀⠀⠀
⠀⠀⠀⠀⠀⠅⠠⠀⠀⠀⠀⣶⣶⣶⠄⠀⠀⠀⡄⠠⠂⠀⠀⠀⠀
⠀⠀⠀⠀⠀⠀⠀⠑⠊⠂⡀⠈⠛⠁⢀⠠⠑⠂⠀⠀⠀⠀⠀⠀⠀
⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠉⠀⠉⠁⠀⠀⠀⠀⠀⠀⠀⠀
⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀ ⠀⠀⢀⠤⠀⠀⠀⠀⠀⠀
⠀⠀⠀⠀⠀⠀⢠⠠⢄⠀⠀⠀⠀⠀⠀⠀⡰⠁⠀⢡⠀⠀⠀⠀⠀
⠀⠀⠀⠀⠀⢠⠁⠀⠀⠑⢄⠀⠀⠀⠀⡜⠀⠀⠀⠈⡆⠀⠀⠀⠀
⠀⠀⠀⠀⠀⠆⠀⠆⣥⣤⣤⡍⠆⠔⣩⣭⣭⣍⢂⣀⣡⠀⠀⠀⠀
⠀⠀⠀⠀⠰⠀⠒⠢⢙⣛⣛⠡⠂⠢⢙⣛⣛⡋⠖⠒⠒⡁⠀⠀⠀
⠀⠀⠀⠀⡇⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠇⠀⠀⠀
⠀⠀⠀⠀⠁⠀⠀⠠⢤⣤⡤⢄⠀⠀⠠⣤⣤⠤⡀⠀⠀⢰⠀⠀⠀
⠀⠀⠀⠀⡇⢀⣀⠘⠎⠍⠑⠁⡒⡢⠑⠭⠭⠔⠄⢀⠀⠸⠀⠀⠀
⠀⠀⠀⠀⠱⡐⠒⠀⠀⠀⠀⠀⠊⠂⠀⠀⠀⠀⠘⠒⡠⠁⠀⠀⠀
⠀⠀⠀⠀⠀⠈⠑⠂⠤⠄⢀⣀⣀⣀⣀⡀⠀⠤⠐⠊⠀⠀⠀⠀⠀

⠀⠀⠀⠀⠀⠀⡌⠁⠑⠀⢀⣀⠀⠀⣀⠀⢠⠉⠈⠂⠀⠀⠀⠀⠀
⠀⠀⠀⠀⠀⠀⠀⢢⠈⠤⠴⠄⠑⠁⠠⠧⢴⠀⠖⠁⠀⠀⠀⠀⠀
⠀⠀⠀⠀⠀⠀⢀⠄⠂⠢⠂⠀⠀⠀⡀⠐⡒⠘⠠⡀⠀⠀⠀⠀⠀
⠀⠀⠀⠀⠀⡐⠁⠀⠀⠈⠈⠉⠂⠐⠉⠀⠁⠀⠀⠈⢆⠀⠀⠀⠀
⠀⠀⠀⠀⢰⠁⠀⠀⠀⣯⣤⣅⠀⠀⣯⣮⣅⠀⠀⠀⠈⠀⠀⠀⠀
⠀⠀⠀⠀⢸⠀⠀⠀⠀⣏⣽⣿⠀⠰⣏⣿⣿⠀⠀⠀⠀⠇⠀⠀⠀
⠀⠀⠀⠀⠈⡄⠀⠀⠀⠙⠛⠋⢀⡀⠙⠛⠋⠀⠀⠀⠰⠀⠀⠀⠀
⠀⠀⠀⠀⠀⠘⢄⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⡰⠁⠀⠀⠀⠀
⠀⠀⠀⠀⠀⠀⠀⠁⠢⢀⡀⠀⠀⠀⠀⢀⠠⠔⠈⠀⠀⠀⠀⠀⠀
⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠈⠉⠉⠁⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀

⠀⠀⠀⠀⠀⠀⠀⠀⢀⣠⠤⠔⠒⠒⠲⠤⢄⣀⠀⠀⠀⠀⠀⠀⠀
⠀⠀⠀⠀⠀⠀⢀⠔⠉⠀⠀⠀⠀⠀⠀⠀⠀⠈⠓⣄⠀⠀⠀⠀⠀
⠀⠀⠀⠀⠀⢠⠋⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠈⢆⠀⠀⠀⠀
⠀⠀⠀⠀⠀⡞⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀ ⠸⠀⠀⠀⠀
⠀⠀⠀⠀⠀⡇⠀⠀⠈⠀⠀⠀⠀⠀⠀⠀⠀⠈⠀⠀⠀⡇⠀⠀⠀
⠀⠀⠀⠀⠀⢹⡀⠀⠀⠀⠀⠙⠒⠒⠚⠁⠀⠀⠀⠀⡸⠀⠀⠀⠀
⠀⠀⠀⠀⠀⠀⠱⣄⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⢀⡼⠁⠀⠀⠀⠀
⠀⠀⠀⠀⠀⠀⠀⠈⠑⠦⠤⣀⣀⣀⣀⡠⠤⠖⠉⠀⠀⠀⠀⠀⠀
⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀