X12111112XX12112
X121X11X2121XX12
2121111X21X1X112
2121X1112X212X12
X12111X12X21X112
X121X1XX21X12X12
212111X121X1XX12
2121X1XX2X212112
X121112121212112
X121X12X2XX1XX12
2121112X2X212X12
2121X12121X1X112
