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Opening Explore
Board size
6
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8
,
10
,
11
2
1
21
U
T
S
R
Q
P
O
N
M
L
K
J
I
H
G
F
E
D
C
B
A
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
I5
1
0
O16
1
0
P13
1
0
P15
1
0
O14
0
1
Opening Explore
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