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2 x 1 = 2



                                       2 x 2 = 4



                                       2 x 3 = 6



                                       2 x 4 = 8



                                       2 x 5 = 10



                                       2 x 6 = 12




                                       2 x 7 = 14



                                       2 x 8 = 16



                                       2 x 9 = 18



                                       2 x 10 = 20



                                       2 x 11 = 22



                                       2 x 12 = 24
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