A % 10 20 30 20 10
B = A[0] + A[-1]
A[0]+A[-1]
C = 0.5 * ( A[0] + B[0] )
0.5*(A[0]+B[0])
0	true	[]
1	false	[0]
1
A[0]+A[-1]
A[0]+A[-1]
A[0]+A[-1]
A[0]+A[-1]
A[0]+A[-1]
0	true	[]
1	true	[0]
2	false	[0, 1]
2
0.5*(A[0]+B[0])
0.5*(A[0]+B[0])
0.5*(A[0]+B[0])
0.5*(A[0]+B[0])
0.5*(A[0]+B[0])
0	true	[]
1	true	[0]
2	true	[0, 1]
3	false	[]
4	false	[]
5	false	[]
6	false	[]
7	false	[]
8	false	[]
9	false	[]
10	false	[]
11	false	[]
12	false	[]
13	false	[]
14	false	[]
15	false	[]
16	false	[]
17	false	[]
18	false	[]
19	false	[]
20	false	[]
21	false	[]
22	false	[]
23	false	[]
24	false	[]
25	false	[]
-1
Z = 0.5 * Y[0] + 0.5 * B[0]
0.5*Y[0]+0.5*B[0]
Y % 50 10 50 10 50
B % 10 50 10 50 15
0	false	[]
1	true	[]
2	false	[]
3	false	[]
4	false	[]
5	false	[]
6	false	[]
7	false	[]
8	false	[]
9	false	[]
10	false	[]
11	false	[]
12	false	[]
13	false	[]
14	false	[]
15	false	[]
16	false	[]
17	false	[]
18	false	[]
19	false	[]
20	false	[]
21	false	[]
22	false	[]
23	false	[]
24	true	[]
25	false	[1, 24]
25
0.5*Y[0]+0.5*B[0]
0.5*Y[0]+0.5*B[0]
0.5*Y[0]+0.5*B[0]
0.5*Y[0]+0.5*B[0]
0.5*Y[0]+0.5*B[0]
0	false	[]
1	true	[]
2	false	[]
3	false	[]
4	false	[]
5	false	[]
6	false	[]
7	false	[]
8	false	[]
9	false	[]
10	false	[]
11	false	[]
12	false	[]
13	false	[]
14	false	[]
15	false	[]
16	false	[]
17	false	[]
18	false	[]
19	false	[]
20	false	[]
21	false	[]
22	false	[]
23	false	[]
24	true	[]
25	true	[1, 24]
-1
A % 1 2 3 4 5
B = A[-2]
A[-2]
C = B[2]
B[2]
0	true	[]
1	false	[0]
1
A[-2]
A[-2]
A[-2]
A[-2]
A[-2]
0	true	[]
1	true	[0]
2	false	[1]
2
B[2]
B[2]
B[2]
B[2]
B[2]
0	true	[]
1	true	[0]
2	true	[1]
3	false	[]
4	false	[]
5	false	[]
6	false	[]
7	false	[]
8	false	[]
9	false	[]
10	false	[]
11	false	[]
12	false	[]
13	false	[]
14	false	[]
15	false	[]
16	false	[]
17	false	[]
18	false	[]
19	false	[]
20	false	[]
21	false	[]
22	false	[]
23	false	[]
24	false	[]
25	false	[]
-1