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X11X2XX11X1XX212
X11X221XX1X11X12
X11X22X1X11XXX12
X11X211X22X11112
X11X21X1221XX112
21X1XX1X1XX11212
21X1XXX11X1XX212
21X1X21XX1X11X12
21X1X2X1X11XXX12
21X1X11X22X11112
21X1X1X1221XX112
11221X1X1XX11212
11221XX11X1XX212
1122121XX1X11X12
112212X1X11XXX12
1122111X22X11112
112211X1221XX112
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2X221X12211XX221
