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11X21X1X11221110
1X121122X2221110
2112112X11221110
21X22X12X2221110
2XX22X1X11221110
2XX22X12X2221110
1112212111221111
1122121111221111
1212112X22221111
X112112111221111
X122221X22221111
X222221111221111
X222221X22221111
