e1 |
e2 |
a |
e1 |
e2 |
b |
e1 |
e2 |
a |
b |
A.2 | B.-2 | C.1 | D.-1 |
e1 |
e2 |
e1 |
e2 |
1 |
2 |
a |
b |
a |
b |
(e1 |
e2 |
e1 |
e2 |
e1 |
e1 |
e2 |
e1 |
e2 |
e2 |
1 |
2 |
1 |
2 |
a |
b |
c |
a |
b |
a |
c |
a |
b |
c |
a |
b |
c |
d |
a |
b |
c |
a |
b |
d |
a |
b |
a |
b |
b |
A.
| B.
| C.2 | D.-
|
a |
3 |
b |
1 |
2 |
| ||
2 |
a |
b |
a |
b |
c |
a |
b |
d |
a |
b |
c |
d |
a |
b, |
c |
a |
b |
c |
0 |
a |
b |
c |
a |
b |
a |
a |
b |
c |
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