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X1X2212221XX12M1
X211X12111111XM1
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X2122X11211X1XM1
1X1111112X1X12M1
1X1111222X1XX2M1
1X121XX12211X1M1
1X2X11X1XX12X1M1
11XXX212222221M1
11X2X122X22211M1
112XXX2222112XM1
1121X12X2X2121M1
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12XX21X22111X1M1
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2X11211121X2XXM1
21XX11X212X211M1
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22X22XX2X21121M1
