operation manual

b a
p
e df
h
i
g
o
c
j
k
l
m n
A
B
C
D
E
F
M
L
K
J
I
H
G
1
2
3
7
11
15
19
4
8
12
16
20
5
9
13
17
21
6
10
14
18
22