12X2X222X2221XMM
12X1X222X22111MM
12X2X222X22X12MM
12XXX222X22212MM
X2X1X222X22X1XMM
X2XXX222X2211XMM
X2XXX222X22X11MM
121XX222122X1XMM
121XX222222X1XMM
12X12222X22X1XMM
12XX2222X2211XMM
12XX2222X22X11MM
X2XX2222X22X1XMM
12XXX221122X1XMM
12XXX221222X1XMM
121XX221X22X1XMM
