bonjour,
2 4
x 4 7
__________
1 6 8
9 6
___________
1 1 2 8
1 2
x 3 5
----------------------
6 0
3 6
--------------------
4 2 0
4 8
x 3 2
----------------------------
9 6
1 4 4
-----------------------
1 5 3 6
1 2 4
x 6 3
-------------------------
3 7 2
7 4 4
-------------------
7 8 1 2