C22212323232133313113313331333133313231323133313332132331213211231331   >>    C2221232323213331311331333133313331323132313331333213233121321123133   <<    C22212323232133313113313331333133313231323133313332132331213211231333   >>      C22212323232133313113313331333133313231323133313332132331213211231332   >>