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2XX1112111122121
XXXX11X1X111X121
22XX111X21121121
X11X1122X112X121
122X1112X1111121
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X1221111X1122121
X11211XX211XX121
21X11112X11XX121
X22111X21112X121
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1XX211XXX1121121
1111111X11121121
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1XX21111211X1121
11XX111X21111121
22221122211X2121
2X1111X221111121
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1X12111211112121
1X2X11XX21122121
221111X1211XX121
12XX112X111XX121
222211X11111X121
