C22213331333133313112331323133313331333133313232321232313231323311   >>    C2221333133313331311233132313331333133313331323232123231323132331   <<    C22213331333133313112331323133313331333133313232321232313231323313   >>      C22213331333133313112331323133313331333133313232321232313231323312   >>