C22213331333133313112331323133313331333133313331333133313231333132313231232311   >>    C2221333133313331311233132313331333133313331333133313331323133313231323123231   <<    C22213331333133313112331323133313331333133313331333133313231333132313231232313   >>      C22213331333133313112331323133313331333133313331333133313231333132313231232312   >>