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1X11221XX11XX222
211121XX11X1X222
2XX121X111121X22
X21121X1111XXX22
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21X1X22111X12222
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1X11221XX122X222
12X1212111XX1X22
X21121X11122XX22
12X122211112XX22
112122X1XX112222
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2XX121XX21221222
2121X2211X2X1122
X21121XX212XX222
12X1222X211XX222
22212XX111XXX222
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