support for turning off timestamps

lzr265946

2023-02-10 7aa2e885f41829e5148ed3be44d3ebb43e04ff40

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