?6?|?5?|32?|
?9?|?4?|6??|
7?3|6?8|???|

1??|?7?|98?|
6??|???|??2|
?39|?8?|??1|

???|5?4|8?7|
??4|?3?|?1?|
?78|?6?|?9?|