update README (#2316)

inisis

2024-12-19 1368a9bca48473d793f0c1d52df0a4739c747d16

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