C222133313331333131123313231333133313331333132223133313331333133313113122211   >>    C22213331333133313112331323133313331333133313222313331333133313331311312221   <<    C222133313331333131123313231333133313331333132223133313331333133313113122213   >>      C222133313331333131123313231333133313331333132223133313331333133313113122212   >>