XX11X2111122X122
XX12XX111121XX22
XX21XX111222XX22
XX22X2111221X122
2X11X2111221XX22
2X12XX111222X122
2X21XX111121X122
2X22X2111122XX22
XX12X21X1212XX22
XX21XX1X1111X122
2X12XX1X1111XX22
2X21X21X1212X122
XX11XX1X12X1X122
XX21X21X11X1XX22
XX22XX1X11X2X122
2X11XX1X11X2XX22
2X12X21X11X1X122
2X22XX1X12X1XX22
XX11XX121211X122
XX21X2121111XX22
XX22XX121112X122
2X11XX121112XX22
2X12X2121111X122
2X22XX121211XX22
XX12X21212X2XX22
XX22XX1211X1XX22
2X11XX1211X1X122
2X21X21212X2X122
