C22212323232133313113313331333132313331323133313331213132323113322231   >>    C2221232323213331311331333133313231333132313331333121313232311332223   <<    C22212323232133313113313331333132313331323133313331213132323113322233   >>      C22212323232133313113313331333132313331323133313331213132323113322232   >>