122XX1X1121X1212
122XX2X2121X2212
X22XX1X212XX1212
X22XX2X112XX1212
122XX2X2122X2212
X22XX1X1122X2212
X22XX1X2X21X2212
X22XX2X1X21X2212
122XX1X1X2XX2212
122XX2X2X2XX1212
X22XX1X1X2XX1212
X22XX2X2X2XX2212
122XX1X2X22X1212
122XX2X1X22X1212
122XX1X1221X1212
X22XX2X2221X1212
122XX1X222XX2212
122XX2X122XX2212
X22XX1X1222X2212
X22XX2X2222X1212
