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2X2121X12X1XX221
X22121X12X1X2221
212121X12X1X2221
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222121X12X1XX221
X12121X12X1X2221
2X2121X12X1X2221
X22121X12X1XX221
212121X12X1XX221
XX2121X12X1X2221
222121X12X1X2221
1XX12X11122XX111
1XX12X11X22XX111
1X212X11122XX111
1X212X11X22XX111
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12X12X11X22XX111
12212X11122XX111
12212X11X22XX111
