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