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X1212X1X2X12XX11
X1212X1X2X22X111
X1212X1X211X2111
X1212X1X2112XX11
X1212X1X2122X111
X1212211X112XX11
X1212211X122X111
11X12X1X2X1X2111
11X12X1X2X12XX11
11X12X1X2X22X111
11X12X1X211X2111
11X12X1X2112XX11
11X12X1X2122X111
11X12211X11X2111
11X12211X112XX11
11X12211X122X111
