C22212323232133313113313331333133313231323133313332132331212323111   >>    C2221232323213331311331333133313331323132313331333213233121232311   <<    C22212323232133313113313331333133313231323133313332132331212323113   >>      C22212323232133313113313331333133313231323133313332132331212323112   >>