(TWIN PROG +/–)
1
(TWIN PROG +/–)
2
(TWIN PROG +/–)
3
T
W
I
N
P
R
O
G
+
T
W
I
N
P
R
O
G
–
8
10 6
T
W
I
N
P
R
O
G
+
T
W
I
N
P
R
O
G
–
10 8
T
W
I
N
P
R
O
G
+
T
W
I
N
P
R
O
G
–