R1 C1 R1 C2
R2 C1 R2 C2
R3 C1 R3 C2
R4 C1 R4 C2
R5 C1 R5 C2



R1 C1 R1 C2
R2 C1 R2 C2
R3 C1 R3 C2
R4 C1 R4 C2
R5 C1 R5 C2




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