111221X1X1X11221
1X122XX111X11221
X1122XX111X1X221
X1122XX1XXX11221
XX1221X11XX11221
XX1221X1X1X1X221
11X22XX11X111221
11X22XX1X111X221
1XX221X11111X221
1XX221X1XX111221
X1X221X1XX11X221
XXX22XX11X11X221
112221X11X21X221
1X222XX1XX21X221
X12221X111211221
XX222XX1X1211221
111221X111111221
