1111XX2X12111X2M
1111X21112X2XX2M
1111X22X121X1X2M
111122121XX1XX2M
1112X1XX11X12X2M
1X12X22111121X2M
1X1221111X121X2M
X111X11211XXX12M
X111X211XX12222M
X112X22X1212212M
X11221XX12112X2M
XX12X2X21111212M
X2112121X1112X2M
X2112XXX1X12212M
211XX1211X1X2X2M
211XX2211X122X2M
