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X1XX1X21212112M1
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X2XX1XX1X12112M1
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X1X11X21X12112M1
12X11XX1211112M1
22X11XX1211112M1
X2111XX1211112M1
X2X111X1211112M1
X2XX1XX1212212M1
X1X12XX1212212M1
XXX11X21212212M1
X2X11XX1X12212M1
