1X12X12X2X221112
1X12X12X2X221X12
1XX2X12X2X221112
1XX2X12X2X221X12
XX12X12X2X221112
XX12X12X2X221X12
XXX2X12X2X221112
XXX2X12X2X221X12
11X21XX112221112
X212XX22112X1112
X112XX1X11221110
X112XX1211221110
