Olympiad_in_Informatics/CSP-S/2023/Round2/S-data/lock8.in

7
2 2 5 6 3
1 8 5 6 3
2 8 7 6 3
2 8 6 6 3
2 8 8 6 3
2 1 5 6 3
2 8 9 6 3