update demo, readme

shixian.shi

2024-01-16 b7cb19b01a1454f7a1388e24dcd4e10fc654bd7c

1
2
3
4
5
6
7
8
9
c    1
cc    2
ccc    3
cd    4
d    5
dc    6
dcc    7
dccc    8
cm    9