1121X12X12X11110
1121XX1X1XX11X10
X121X12X1XX11X10
X121XX1X12X11110
1X21X11X12X11X10
1X21X12X1XX11X10
1X21XX1X12X11110
1X21XX2X1XX11110
XX21X11X1XX11110
XX21X12X12X11110
XX21XX1X1XX11X10
XX21XX2X12X11X10
1221X11X1XX11110
1221XX2X12X11X10
X221X11X12X11X10
X221XX2X1XX11110
