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X121X2XXXX1X11M1
X121X2X12X1211M1
2121X2112X1X11M1
2121X21XXX1211M1
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2121XXX1XX1211M1
2121XXXX2X1X11M1
X1212211XX1211M1
X121221X2X1X11M1
12X122X2211211M0
X1X12222211X1XM0
21X12222211X1XM0
