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2c = 12
c=2
c=6
c=12
c=24
3t = 18
t=3
t=18
t=6
t=24
20=4r
r=5
r=20
r=4
r=80
-20=4r
r=5
r=-5
r=4
r=80
-14=-2k
r=-7
r=-14
r=4
r=7
r=16
r=4
r=60
r=-4
e=24
e=14
e=-24
e=10
q=15
e=15
t=15
b=15
b= -21
-b=21
b=37
b=15
b= -99
-b=99
b=911
b=99
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