C222123232321333131133133313331323133313232313233232333132333111   >>    C22212323232133313113313331333132313331323231323323233313233311   <<    C222123232321333131133133313331323133313232313233232333132333113   >>      C222123232321333131133133313331323133313232313233232333132333112   >>