1
a

A3, C1, C3

b

3

c

A3, C1

d
2
a

d6 of h10

b
3
a

-

b
c

d4-d6-d8-f8-f6-f4-f2-d2-d4-f4-h4-h6-f6-d6-b6-b4-d4