點好波法先?
vvvvvvvvvvvvvvvvvvvvvvvvvv
cccccccccccccccc
c c c c c c c c c c c c c c
Ccccccccccccc
Cccccccccccc
seseseseseeeSee
cccccccccccc
u
llllllllllll
Ccccccccccccccccc
Ccccccccvcc