C222133313331333131123313231333133313331323212331333133313223131221   >>    C22213331333133313112331323133313331333132321233133313331322313122   <<    C222133313331333131123313231333133313331323212331333133313223131223   >>      C222133313331333131123313231333133313331323212331333133313223131222   >>