i + 4 =12
4
-4
8
12
14 = d -9
23
9
5
14
w - 5 =10
20
-5
10
15
18 = d + 11
11
29
18
7
13 = s+9
27
13
x -12 = 6
x - 13 =3
11 = d -10
w + 13 = 24
e - 6 = 8
15 = m - 7
14 = z + 6