C222123232321333131133133313331323133313231323133311322321311231111   >>    C22212323232133313113313331333132313331323132313331132232131123111   <<    C222123232321333131133133313331323133313231323133311322321311231113   >>      C222123232321333131133133313331323133313231323133311322321311231112   >>