21XX212XX1111121
21XX2X2X111X1121
2XXX212XX1111121
2XXX2X2X111X1121
X12X211XX2111121
X12X2X1X121X1121
XX2X211XX2111121
XX2X2X1XX12X1121
111X21XXXX111121
111X2XXX1X1X1121
1X1X21XXXX111121
1X1X2XXX1X1X1121
21X1X122X1111X21
21X1XX22111X1X21
2XX1X122X1111X21
2XX1XX22111X1X21
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XX21XX12121X1X21
1111X1X2XX111X21
1111XXX21X1X1X21
1X11X1X2XX111X21
1X11XXX21X1X1X21
21X21121X1111221
21X21X21111X1221
2XX21121X1111221
2XX21X21111X1221
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XX221111X2111221
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1X121XX11X1X1221
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1X2X2XX11X1X1121
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