100%
21 ECT ECT SYSTEM
A
B
C
D
1 2 3
3 1 4 2
1 2 3 4 5 7 8 10 11 2
4 1 3 5 6 7 13 20 21 22 23 24
E YELLOW
F BLACK
G
H
3
1 2 3
1 2 10 15
1 2
2 12 22 23
6
I
J
K BLUE
1 2
7 8 9
8
3 4
L GRAY
M BLACK
N BLUE
1B
5 6
5
17
1F
1G
1L
1N
2 3
10
1 9
2B BLACK
3B BLUE
7A ORANGE
5
6
15
13 14