C2221232323213331311331333133313231323133313231322213112323232311   >>    C222123232321333131133133313331323132313331323132221311232323231   <<    C2221232323213331311331333133313231323133313231322213112323232313   >>      C2221232323213331311331333133313231323133313231322213112323232312   >>