2X1221X11X221110
X2X21211X12X1110
1X221XXX112X1110
X1X2X11XXX221110
X2122XXX112X1110
11X21X22XX221110
21121X112X221110
2X22X1XX112X1110
X2121111222X1110
11X2X2X111221110
2112X1X21X221110
2X221X12X12X1110
2X12XX111X221110
X122112XX12X1110
21X2X2XXX1221110
X1221X22XX2X1110
