11X1X11121122XM1
11XXX11121122XM1
11X2X11121122XM1
11X1X1X121122XM1
11XXX1X121122XM1
11X2X1X121122XM1
11X1X12121122XM1
11XXX12121122XM1
11X2X12121122XM1
