C22213331333133313112331323133313331333131111121111331323132333132321123232311   >>    C2221333133313331311233132313331333133313111112111133132313233313232112323231   <<    C22213331333133313112331323133313331333131111121111331323132333132321123232313   >>      C22213331333133313112331323133313331333131111121111331323132333132321123232312   >>