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