a
-----------------------------------------------------------
|. |.
1 |. 5 |. 9
________________________________
|. |
6 |. 6 |. 10
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d
-----------------------------------------------------------
|. |.
0,3 |. 0,9 |. 7, 6
________________________________
|. |
3 |. 9 |. 76
-----------------------------------------------------------




c
-----------------------------------------------------------
|. |.
2 |. 4 |. 6
________________________________
|. |
7 |. 14 |. 21
-----------------------------------------------------------





b
-----------------------------------------------------------
|. |.
7 |. 15 |. 7.1
________________________________
|. |
15 |. 7 |. 1,7
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