C22213331333133313112331323133313331333131111121111331333132231232311   >>    C2221333133313331311233132313331333133313111112111133133313223123231   <<    C22213331333133313112331323133313331333131111121111331333132231232313   >>      C22213331333133313112331323133313331333131111121111331333132231232312   >>