C22213331333133313112331323133313331333133313223331211113313123113111   >>    C2221333133313331311233132313331333133313331322333121111331312311311   <<    C22213331333133313112331323133313331333133313223331211113313123113113   >>      C22213331333133313112331323133313331333133313223331211113313123113112   >>