1X11X2X12X12X121
XX11X2X12X12X121
1211X2X12X12X121
X211X2X12X12X121
1X11X2X12212X121
XX11X2X12212X121
1211X2X12212X121
X211X2X12212X121
1X11X2X12X122121
XX11X2X12X122121
1211X2X12X122121
X211X2X12X122121
1X11X2X122122121
XX11X2X122122121
1211X2X122122121
X211X2X122122121
121XX21X1XX2111M
121XX21X1X22111M
