C222123232321333131133133313331323133313231333133323311322232311111   >>    C22212323232133313113313331333132313331323133313332331132223231111   <<    C222123232321333131133133313331323133313231333133323311322232311113   >>      C222123232321333131133133313331323133313231333133323311322232311112   >>