ppt
191o1915
4p
1915
4p185o19191o
191o19151915
191o
4p1915
2o6
dnadna
dna
14oo
183o
1855
1916
1917
1955
73o
1
2
3
4
5
6
7
8
9
1o
11
12
135
14
15
16
17