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11X1XX12XX11X211
11X1XX12X21XX111
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X111XX12XX11X211
X111XX12X21XX111
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X1X1XX121X2XXX11
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X1X1XX12212XX211
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2121XX12111XX211
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2121XX12XX21X211
2121XX12X22XX111
2121XX122111X111
2121XX122X1XXX11
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