12X11111XX22XX22
1222111XX222XX22
X2X21111X211X122
X221111XXX11X122
12X21111X2222X22
1221111XXX222X22
X2X11111XX112122
X222111XX2112122
12X21X1XXX111122
12211X11X2111122
X2X11X1XX2221X22
X2221X11XX221X22
12X1121XX2111122
12221211XX111122
X2X2121XXX221X22
X2211211X2221X22
