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1X1212XXX1XX2122
121211XXX2XX2122
121212XXX12XX122
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X21211XXX22XX122
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2X1211XXX1XXX122
2X1212XXX22X2122
221211XXX12X2122
221212XXX2XXX122
1111X1XXXXXX2122
1111X1XXX2XXX122
1111X1X2XX1X2122
1X11X1XXXX1XX122
1X11X1X2X21XX122
1X11X1X2X2XX2122
1211X1XXX21X2122
1211X1X2XXXXX122
