google
other
yahoo
yandex
#1
20
21
22
29
#2
0
1
3
5
7
8
9
20
21
29
#3
20
21
22
29
#4
google
other
yahoo
yandex
#5
0
1
3
5
7
8
9
google
yahoo
yandex
----
google
other
yahoo
yandex
#1
20
21
22
29
#3
20
21
22
29
#4
google
other
yahoo
yandex
----
2000
2100
2200
2900
#1
2000
2100
2200
2900
----