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2x x 1 4x 2 7

2x x 1 4x 2 72x x 1 4x 2 72x x 1 4x 2 72x x 1 4x 2 72x x 1 4x 2 72x x 1 4x 2 7
2x x 1 4x 2 72x x 1 4x 2 72x x 1 4x 2 72x x 1 4x 2 72x x 1 4x 2 72x x 1 4x 2 7
2x x 1 4x 2 72x x 1 4x 2 72x x 1 4x 2 72x x 1 4x 2 72x x 1 4x 2 72x x 1 4x 2 72x x 1 4x 2 72x x 1 4x 2 72x x 1 4x 2 72x x 1 4x 2 72x x 1 4x 2 72x x 1 4x 2 72x x 1 4x 2 72x x 1 4x 2 72x x 1 4x 2 72x x 1 4x 2 72x x 1 4x 2 72x x 1 4x 2 72x x 1 4x 2 72x x 1 4x 2 72x x 1 4x 2 72x x 1 4x 2 72x x 1 4x 2 72x x 1 4x 2 72x x 1 4x 2 72x x 1 4x 2 72x x 1 4x 2 72x x 1 4x 2 72x x 1 4x 2 72x x 1 4x 2 72x x 1 4x 2 72x x 1 4x 2 72x x 1 4x 2 72x x 1 4x 2 72x x 1 4x 2 72x x 1 4x 2 7