>! Solution:<pre>
>! 1 2 6 | 5 4 7 | 8 3 9
>! 7 9 8 | **3 6 2** | 4 5 1
>! 3 5 4 | 9 8 1 | 2 7 6
>! ---------------------
>! 2 **8** 7 | 6 9 4 | 3 **1** 5
>! 6 **1** 5 | 7 2 3 | 9 **8** 4
>! 4 **3** 9 | 1 5 8 | 7 **6** 2
>! ---------------------
>! 8 4 1 | 2 3 6 | 5 9 7
>! 5 6 2 | **8 7 9** | 1 4 3
>! 9 7 3 | 4 1 5 | 6 2 8
>! </pre>
>! As you can see, `362 % 11 = 813 % 11 = 186 % 11 = 879 % 11 =`**`10`**