11X12X11XX111211
11X12X1XX2211211
XX2X2X11XX111211
XX2X2X1XX2211211
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112X2X1XXX111211
112X2X11X2211211
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1XXX2X11X2111211
1XXX2X1XXX211211
X1XX2X11XX211211
X1XX2X1XX2111211
1X212X11XX211211
1X212X1XX2111211
