221121X12XX122M2
2211X1112XX221M2
X21XX1X12XX121M2
2211XXX11XX121M2
2211X1X12X11X1M2
2211X1X12XX122M2
221121X12XX121M2
X211XX112X1121M2
221XX1X11XX2X1M2
X211X1X11XX121M2
221XXXX12XX121M2
X211XXX12XX2X1M2
221XX1111X1121M2
2211X1112XX1X1M2
2211X1X12X1221M2
