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11111112121X21MM
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11XX211212112XMM
11XX2112121X12MM
111X111212121XMM
11XX21121212X1MM
X1X121121211X2MM
X111111212112XMM
X1111112121X12MM
X1X12112121X21MM
X11111121212X1MM
X11X11121211X2MM
X11X1112121X21MM
X1XX211212121XMM
21122112121111MM
21X21112121111MM
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21X21112121XXXMM
21122112121222MM
21X21112121222MM
