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| 13x-19=5 | | 13x-19=4 | | 13x-19=3 | | 13x-19=2 | | 13x-19=1 | | 13x-18=20 | | 13x-18=19 | | 13x-18=18 | | 13x-18=17 | | 13x-18=16 | | 13x-18=15 | | 13x-18=14 | | 13x-18=13 | | 13x-18=12 | | 13x-18=11 | | 13x-18=10 | | 13x-18=9 | | 13x-18=8 | | 13x-18=7 | | 13x-18=6 | | 13x-18=5 | | 13x-18=4 | | 13x-18=3 | | 13x-18=2 | | 13x-18=1 | | 13x-17=20 | | 13x-17=19 | | 13x-17=18 | | 13x-17=17 | | 13x-17=16 | | 13x-17=15 | | 13x-17=14 |