AB |
BC |
CA |
AB |
BC |
BC |
CA |
CA |
AB |
AB |
BC |
CA |
AB |
BC |
CA |
AB |
BC |
CA |
AB |
BC |
CA |
AB |
BC |
AB |
AC |
BC |
AC |
AB |
BC |
BC |
CA |
CA |
AB |
AB |
BC |
BC |
CA |
AB |
a |
b |
a |
b |
a |
b |
AB |
BC |
CA |
0 |
a |
b |
a |
b |
a |
c |
b |
c |
a |
b |
a |
b |
a |
b |
a |
b |
a |
b |
a |
b |
c |
a |
b |
c |
a |
b |
a |
b |
a |
b |
b |
OA |
OB |
OC |
15
| ||
4 |
AB |
AC |
AB |
AC |
BC |
a |
3 |
2 |
3 |
2 |
b |
x |
2 |
x |
2 |
π |
2 |
a |
b |
a |
b |
a |
b |
a |
b |
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