C222133313331333131123313231333133313331313113313331333121121133133313222331   >>    C22213331333133313112331323133313331333131311331333133312112113313331322233   <<    C222133313331333131123313231333133313331313113313331333121121133133313222333   >>      C222133313331333131123313231333133313331313113313331333121121133133313222332   >>