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X2XX12221X111X21
X2X11X2221X11121
X211X12X22X12221
X211X2222121XX21
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1XX1XX2111112121
1XX1122X2121X121
1X211X2X1X11XX21
1X211121X1X1X221
11X21X2XX1112221
1111112X1X212221
1111122XX1X11X21
1121XX2221X12221
12XX12212XX12221
12X12X22X1212X21
1211112211112221
121111222211X121
1212XX221X112221
122X1X22X2111221
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2XXX122X12112221
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2111X1221111X221
2121222X11112121
221X1122X1X12221
22112122XX111X21
