X111121112X12222
X111121X12212122
21X1121212112X22
X1X1X22112112122
211122XX12X12X22
2X11122X12X12X22
2XX1X2X112212X22
2XX1X2XX12112222
XX11X2X212X12122
XXX1221112112122
221112X112112122
X2X1X21X12X12X22
X211222212212222
X2X1222212212222
2211222212212222
22X1222212212222
