C222133313331333131123313231333133313331333132323213331312111113332112212321   >>    C22213331333133313112331323133313331333133313232321333131211111333211221232   <<    C222133313331333131123313231333133313331333132323213331312111113332112212323   >>      C222133313331333131123313231333133313331333132323213331312111113332112212322   >>