(     )-14=2

(     )-16=3

(     )-6=5

(     )-1=18

(     )-15=5

(     )-8=6

(     )-7=13

(     )-2=11

(     )-6=10

(     )-7=8

(     )-8=4

(     )-4=15

(     )-0=11

(     )-13=0

(     )-4=15

(     )-8=3

(     )-5=13

(     )-16=1

(     )-17=1

(     )-0=12

(     )-9=4

(     )-1=19

(     )-10=3

(     )-7=13

(     )-2=14

(     )-1=18

(     )-6=5

(     )-18=2

(     )-8=5

(     )-1=11

(     )-15=5

(     )-3=16

(     )-0=20

(     )-7=13

(     )-7=11

(     )-3=13

(     )-14=3

(     )-3=8

(     )-2=11

(     )-4=12

(     )-11=2

(     )-13=6

(     )-19=0

(     )-5=8

(     )-3=14

(     )-11=8

(     )-13=3

(     )-15=2

(     )-4=16

(     )-5=6