yyyyyyy
xxxxxxxxxx
zzzzzzzz
xxxaaaaa
B B B B
B B B B
B B B B
B B B B
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
xxxxbbbbbb
A A A A
A A A A
A A A A
A A A A
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
C C C C
C C C C
C C C C
C C C C
finalul
90
100
110
120
202
228
254
280
314
356
398
440
426
484
542
600