10
-100
100
100
100
-100
-100
100
100
100
-100
 XXXXXXXXXXXX !XXXXX X X X X X
X!           XX             !X
             XX              X
X            XX              X
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X                            X
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X            XX              X
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X            XX              X
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X         X  XX              X
          X  XX        X X   X
X1       !X  !         X X   X
XXXXX XXXXXX    XXXXXXXX XXXXX
XXXXX XXXXXX  ! XXXXXXXX XXXXX
X   X X      XX  X!         2X
    X X      XX  X           X
X            XX  X           X
             XXX             X
X            XX              X
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X            XX              X
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X                            X
             XX              X
X            XX              X
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X!           XX             !X
 X X X X X XX! XXXX X X X X XX
