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11X2122X11X1X121
11X2212211212121
1122112211212121
112221XX11X1X121
1122222211212121
1XX211XX11X1X121
1XX2122211212121
1XX222XX11X1X121
1X2212XX11X1X121
1X2221X211212121
1X22212X11X1X121
