21X1112XXX211110
21X1212XXX211110
21X1112X2X211110
21X1212X2X211110
21X1112XX2211110
21X1212XX2211110
21X1112X22211110
21X1212X22211110
21X1112XXX2X1110
21X1212XXX2X1110
21X1112X2X2X1110
21X1212X2X2X1110
21X1112XX22X1110
21X1212XX22X1110
21X1112X222X1110
21X1212X222X1110
