ac
(“max”)
(“min”)
4
c2
2
5
c
)
C(a
8
1
“1”
“X”
c
“α”“1”
a
)
D(b
8
1
2
“2”“1”
“X”
c
“α”“2”“1”
a
)
E(c
8
1
“1”
“X”
c
“α”“1”
a
)
F
A
B
8
A
a(“cst”)
B
1
c
a
B
2
a
B
1
“sum”
a
A
c
B
X
A
A