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X111X1221X1XX122
X121X1221X1XX122
X11111222X1XX122
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X111X1222X1XX122
X121X1222X1XX122
X11111221X1X2122
X12111221X1X2122
X111X1221X1X2122
X121X1221X1X2122
X11111222X1X2122
X12111222X1X2122
X111X1222X1X2122
X121X1222X1X2122
X1211122111XX111
21211122111XX111
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