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