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X11XXX1X12112X21
X1121XX112X12221
1XXX2X121X1X1221
1XX122X212111X21
1X1X211X12211221
1X111XXX121X1221
1X12X2121X112221
1X121212121X1X21
11XX12121X111X21
11XX121212111X21
11XX2XXX1X11XX21
11X2X2111X112221
111XX2121211X221
1111XX12X2X12221
1111X1111X21X221
11111XXXX21XX221
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1112X21XX211X221
11121X1212112121
1112121X12XX2221
1112121X1211X221
11121212X2X11221
1112121212112121
1112221212212121
112X2X1XX211X221
