C22212323232133313113313331333133313231323133313332132331213211311   >>    C2221232323213331311331333133313331323132313331333213233121321131   <<    C22212323232133313113313331333133313231323133313332132331213211313   >>      C22212323232133313113313331333133313231323133313332132331213211312   >>