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