C222123232321333131133133313331323133313121121132322232313223221   >>    C22212323232133313113313331333132313331312112113232223231322322   <<    C222123232321333131133133313331323133313121121132322232313223223   >>      C222123232321333131133133313331323133313121121132322232313223222   >>