1XXX11XX111XX121
1XXX11XXXX1XX121
1X2111XX1X1XX121
12X111XX1X1XX121
122111XXX11XX121
122X11XX1X1XX121
XXX111XXX11XX121
XXXX11XX1X1XX121
XX2X11XXX11XX121
X2XX11XXX11XX121
X22111XX111XX121
X22111XXXX1XX121
