1X2X1X21XXX12122
2X2X1X21X2X12122
1X221X21XXX12122
2X221X21X2X12122
X1221X21X1X12122
212X1121XXX12122
112X1121X2X12122
XX221121X1X12122
X1221121X1X12122
XX2X1X2111X12122
212X1X2111X12122
X12X1X211XX12122
XX221X2111X12122
11221X2112X12122
1X2X112111X12122
XX2X112112X12122
2X2211211XX12122
112X1X21X1X12X22
X12X1X21X2X12X22
XX221X21X1X12X22
21221X21XXX12X22
2X2X1121X1X12X22
XX2X1121XXX12X22
1X221121X2X12X22
2X2X1X211XX12X22
1X2X1X2112X12X22
XX221X2111X12X22
X12X112111X12X22
