C222133313331333131123313231333133313331313113313331323222121121   >>    C22213331333133313112331323133313331333131311331333132322212112   <<    C222133313331333131123313231333133313331313113313331323222121123   >>      C222133313331333131123313231333133313331313113313331323222121122   >>