Illustrates Quaternary Class. It has type string.
B
VG +
L
VG +
B
P
B
P
VG +
T
P
M
D
VG +
P
W
P
B
VG +
S
P
B
A
VG +
S
C
E
S
VG +
D
VG +
C
B
E
VG +
B
D
G
VG +
C
T
VG +
M
VG +
F
C
S
VG +
F
P
VG +
R
VG +
T
S
D
J
T
VG +
S
M
G
E
D
B
D
B
G
VG +
V
C
R
VG +
M
VG +
B
E
C
F
B
VG +
O
S
W
V
VG +
W
B
VG +
I
W
H
VG +
B
VG +
D
VG +
N
VG +
M
VG +
B
VG +
S
L
M
VG +
E
S
D
S
VG +
D
VG +
M
S
VG +
E
VG +
L
M
S
VG +
T
G
VG +
S
G
M
C
VG +
M
VG +
G
C
VG +
M
VG +
S
VG +
W
D
VG +
K
N
M
T
VG +
G
V
VG +
B
M
D
G
L
I
VG +
M
VG +
A
D
S
E
VG +
D
L
VG +
T
Y
VG +
P
VG +
S
M
W
C
VG +
VG +
N
U
VG +
I
VG +
S
R
VG +
G
VG +
R
M
T
D
P
T
F
C
G
R
L
R
G
D
R
S
T
E
W
Y
VG +
L
B
VG +
S
VG +
E
U
G
VG +
F
C
L
VG +
M
U
S
Y
M
C
R
M
P
VG +
L
S
L
F
B
N
T
VG +
E
L
R
VG +
K
S
B
D
VG +
I
VG +
M
R
C
M
VG +
P
S
T
G
A
E
D
VG +
M
VG +
B
L
VG +
H
S
M
VG +
A
M
VG +
A
W
V
A
B
G
B
A
VG +
F
VG +
X
G
VG +
C
G
VG +
V
VG +
P
S
E
U
R
I
R
F
P
VG +
D
P
VG +
C
E
I
Z