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11X22X21XX1XX111
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11221X21X1112211
112221111X1X2211
X1X21X211X1X2211
11X21X111X112111
X12221211X112111
X1221X11X11X2111
11X22121X11X2111
X1X22X11XX11X211
11221121XX11X211
11222X11111XX211
X1X21121111XX211
X2X111112X112122
