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XX21XX12XX111X20
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X121XX11221X1X20
X1212X12XX2X1220
XX21XX11XX1X1220
XX212X12222X1X20
X121XX11X2221X20
X1212X122X121220
XX21XX1222221220
XX212X11XX121X20
22X2121XX11221M2
1XX21X22X1211102
