C222133313331333131123313231333133313331311111211113313331313222233131221   >>    C22213331333133313112331323133313331333131111121111331333131322223313122   <<    C222133313331333131123313231333133313331311111211113313331313222233131223   >>      C222133313331333131123313231333133313331311111211113313331313222233131222   >>