AC1
AC2
AC3
PP1
PP2
1
b
d
a
b
b
2
a
c
b
d
a
3
a
d
c
d
d
4
c
c
a
b
b
5
c
a
c
b
d
6
b
a
c
c
b
7
a
a
b
a
a
8
d
a
d
c
d
9
a
c
a
b
b
10
d
b
d
c
a