C22212323232133313113313331333133313231323133313332132331213232122231   >>    C2221232323213331311331333133313331323132313331333213233121323212223   <<    C22212323232133313113313331333133313231323133313332132331213232122233   >>      C22212323232133313113313331333133313231323133313332132331213232122232   >>