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X111XX122X122XM2
XX11X1122XXX2XM2
2X1121122X1222M2
1X11X1122X1221M2
1X1111122X122XM2
X111X1122X12XXM2
XX11XX1X2X122XM2
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XX11XX122X12XXM2
XX11X1122XX222M2
XX11X1122X1X22M2
2X11X1122X1X2XM2
XX1121122XX22XM2
XX1121122X1X2XM2
2X11X1122XX22XM2
