600873
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B C A D C
C C A A D
1 2 2 1 2
1 2 1 2 2
C B B C B
A D A A A
1 1 1 2 1
B B C D C
B A B C A
2 1 1 1 2
2 2 1 2 1
A A B A B
C A C C A
1 2 2 2 1
1 1 1 1 1
D B C B D
B A C C A
1 2 1 1 1
1 1 2 1 2