X111XX21XXXX1X12
X12XX121XXXX1X12
211XX121XXXX1212
211XXX21XX2X1X12
2121X121XX2X1X12
2121XX21XXXX1212
X11XX1X1X22X1X12
X11XXXX1X2XX1212
X121X1X1X2XX1212
X121XXX1X22X1X12
2111XXX1X22X1212
212XX1X1X22X1212
X111X111X12X1212
X12XXX11X12X1212
2111X111X1XX1X12
212XXX11X1XX1X12
