21XX211XX1212111
11XX21XX21211211
11XX21XX12X12111
211121XX1XX12211
11X2211XX2X11211
21XX2X1XX2211111
21XX212X1XX11211
21122X1XXXX12111
111221XX21X12211
21X121XX12211111
11XX2X2X11211111
21122X1XX1X11211
11X221XX1XX12111
X111211XX2X12111
21XX21XX21X12111
21X121XXX2X11211
X11221XX1XX11211
11XX211X22212111
X1X2211XX1211111
X1XX212X1XX12111
11112X1XX2212211
X1XX211X12211211
11112X2X1XX12211
11X221XX11212211
