2x1=2 x2=4 x3=6 x4=8 x5=10 x6=12 x7=14 x8=16 x9=18 | 3x1=3 x2=6 x3=9 x4=12 x5=15 x6=18 x7=21 x8=24 x9=27 | 4x1=4 x2=8 x3=12 x4=16 x5=20 x6=24 x7=28 x8=32 x9=36 | 5x1=5 x2=10 x3=15 x4=20 x5=25 x6=30 x7=35 x8=40 x9=45 | 6x1=6 x2=12 x3=18 x4=24 x5=30 x6=36 x7=42 x8=48 x9=54 | 7x1=7 x2=14 x3=21 x4=28 x5=35 x6=42 x7=49 x8=56 x9=63 | 8x1=8 x2=16 x3=24 x4=32 x5=40 x6=48 x7=56 x8=64 x9=72 | 9x1=9 x2=18 x3=27 x4=36 x5=45 x6=54 x7=63 x8=72 x9=81 |