1212111X1X212212
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221211111X21X212
X21X1XX11221X212
221X1X1X1221X112
X21X121X12212112
221112X112212112
121X1X1212211212
X2121X1112211212
22111X1X12211212
22121X1212211X12
22121XXX1221X112
X2121XX21X212X12
22121X121221XX12
X2111XX112212112
22111X1112212112
221X1XXX12212112
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X2121X1X12212112
22121XX212212112
22111X111221XX12
22111X121221XX12
221X1XX21221XX12
22121X211221XX12
