C222133313331333131123313231333133313331333132223133313331323221333121   >>    C22213331333133313112331323133313331333133313222313331333132322133312   <<    C222133313331333131123313231333133313331333132223133313331323221333123   >>      C222133313331333131123313231333133313331333132223133313331323221333122   >>