X1X1111X12122210
X1X11X22XX11X110
X1X1X1221X122110
X1X1XX1XX211X210
X121112XX2112110
X1211X121X12X210
X121X112XX112210
X121XX2X1212X110
21X11112X212X110
21X11X2X1X112210
21X1X12XXX12X210
21X1XX1212112110
212111221211X210
21211X1XXX122110
2121X11X1X11X110
2121XX22X2122210
