3 2 B 5
C 1 9 D
G A 6 7
E 4 F 8
1 G F A
4 2 8 3
5 E 9 B
C 7 6 D
4 7 D E
F 5 A 6
3 8 1 C
G B 2 9
8 C 6 9
7 G B E
4 F 2 D
3 5 A 1
4 E A C
1 B 8 F
7 6 D G
5 9 2 3
2 F 7 5
G 4 D 9
3 8 A 1
B 6 C E
9 D G 8
6 E C 3
5 2 F B
A 4 7 1
1 B 3 6
2 A 5 7
E 9 4 C
F D 8 G
D 5 E 1
2 8 C B
9 F 3 4
A 7 G 6
7 3 B F
6 1 4 G
A D E 2
9 C 5 8
C A 8 4
7 F 9 5
1 6 B G
2 3 E D
9 6 G 2
D 3 E A
5 7 C 8
B 4 1 F
8 C 5 2
6 D 4 9
B G 7 A
F 3 1 E
F 9 3 4
8 B 1 C
E 5 2 6
D A G 7
D 1 6 A
E G 3 7
8 9 4 F
B C 5 2
G E 7 B
A 2 F 5
C 1 D 3
6 8 9 4

n = 256 k = 15

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4EAC2F759DG81B361B8FG4D96EC32A5776DG38A152FBE94C5923B6CEA471FD8G_
D5E173BFCA8496G228CB614G7F95D3EA9F34ADE216BG57C8A7G69C5823EDB41F_
8C52F934D16AGE7B6D498B1CEG37A2F5BG7AE526894FC1D3F31EDAG7BC526894/