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11X1X1222X121121
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X1212X222X121121
X121X12221111121
X121X122XX121121
11X12X2221111121
11X12X22XX121121
X1X12122XX111121
X1X1212221121121
1121XX22XX111121
1121XX2221121121
X1X1XX22X1121121
X1X1XX222X111121
11212122X1121121
112121222X111121
2111X122X1121121
2111X122X1121X21
21X1212221121121
21X1212221121X21
