C222133313331333131123313231333133313331333133313331333133313222333121   >>    C22213331333133313112331323133313331333133313331333133313331322233312   <<    C222133313331333131123313231333133313331333133313331333133313222333123   >>      C222133313331333131123313231333133313331333133313331333133313222333122   >>