
*--------------------------------------------------------------------------------------------*
| 1 6 5| 4 8 9| 7 3 2|
| 4 9 7| 2 5 3| 8 6 1|
| 2 8 3| 7 6 1| 4 5 9|
|------------------------------+------------------------------+------------------------------|
| 7 3 2| 8 9 4| 6 1 5|
| 9 1 8| 6 7 5| 3 2 4|
| 5 4 6| 3 1 2| 9 7 8|
|------------------------------+------------------------------+------------------------------|
| 3 7 9| 5 2 8| 1 4 6|
| 8 2 4| 1 3 6| 5 9 7|
| 6 5 1| 9 4 7| 2 8 3|
*--------------------------------------------------------------------------------------------*
| 1 6 5| 4 8 9| 7 3 2|
| 4 9 7| 2 5 3| 8 6 1|
| 2 8 3| 7 6 1| 4 5 9|
|------------------------------+------------------------------+------------------------------|
| 7 3 2| 8 9 4| 6 1 5|
| 9 1 8| 6 7 5| 3 2 4|
| 5 4 6| 3 1 2| 9 7 8|
|------------------------------+------------------------------+------------------------------|
| 3 7 9| 5 2 8| 1 4 6|
| 8 2 4| 1 3 6| 5 9 7|
| 6 5 1| 9 4 7| 2 8 3|
*--------------------------------------------------------------------------------------------*