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