12111XX112111211
12111XX1X21X2211
12X1122X12111211
12X1122XX21X2211
12X112X1X2111211
12X112X1121X2211
12111X2XX2111211
12111X2X121X2211
12X11X21121X1211
12X11X21X2112211
121112XX121X1211
121112XXX2112211
12X11XXX12112211
12X11XXXX21X1211
1211122112112211
12111221X21X1211
