30-( )=13
24-( )=13
35-( )=13
24-( )=8
28-( )=18
26-( )=23
23-( )=5
38-( )=4
21-( )=18
46-( )=39
38-( )=3
30-( )=23
34-( )=13
29-( )=7
41-( )=36
30-( )=25
47-( )=10
32-( )=31
48-( )=25
29-( )=28
38-( )=25
45-( )=37
22-( )=6
30-( )=23
22-( )=19
23-( )=9
35-( )=18
47-( )=44
48-( )=30
42-( )=12
41-( )=7
49-( )=24
45-( )=16
24-( )=11
44-( )=39
48-( )=43
36-( )=36
25-( )=23
24-( )=13
25-( )=15
27-( )=13
29-( )=26
36-( )=6
36-( )=8
29-( )=24
34-( )=30
38-( )=12
25-( )=15
26-( )=17
23-( )=13