C222123232321333131133133313331323133313231323133311322123221211   >>    C22212323232133313113313331333132313331323132313331132212322121   <<    C222123232321333131133133313331323133313231323133311322123221213   >>      C222123232321333131133133313331323133313231323133311322123221212   >>