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9x 2 2x 1 x 1 0

9x 2 2x 1 x 1 09x 2 2x 1 x 1 09x 2 2x 1 x 1 09x 2 2x 1 x 1 09x 2 2x 1 x 1 09x 2 2x 1 x 1 0
9x 2 2x 1 x 1 09x 2 2x 1 x 1 09x 2 2x 1 x 1 09x 2 2x 1 x 1 09x 2 2x 1 x 1 09x 2 2x 1 x 1 0
9x 2 2x 1 x 1 09x 2 2x 1 x 1 09x 2 2x 1 x 1 09x 2 2x 1 x 1 09x 2 2x 1 x 1 09x 2 2x 1 x 1 09x 2 2x 1 x 1 09x 2 2x 1 x 1 09x 2 2x 1 x 1 09x 2 2x 1 x 1 09x 2 2x 1 x 1 09x 2 2x 1 x 1 09x 2 2x 1 x 1 09x 2 2x 1 x 1 09x 2 2x 1 x 1 09x 2 2x 1 x 1 09x 2 2x 1 x 1 09x 2 2x 1 x 1 09x 2 2x 1 x 1 09x 2 2x 1 x 1 09x 2 2x 1 x 1 09x 2 2x 1 x 1 09x 2 2x 1 x 1 09x 2 2x 1 x 1 09x 2 2x 1 x 1 09x 2 2x 1 x 1 09x 2 2x 1 x 1 09x 2 2x 1 x 1 09x 2 2x 1 x 1 09x 2 2x 1 x 1 09x 2 2x 1 x 1 09x 2 2x 1 x 1 09x 2 2x 1 x 1 09x 2 2x 1 x 1 09x 2 2x 1 x 1 09x 2 2x 1 x 1 0