C22213331333133313112331323133313331333131111121111331333132212111113213123231   >>    C2221333133313331311233132313331333133313111112111133133313221211111321312323   <<    C22213331333133313112331323133313331333131111121111331333132212111113213123233   >>      C22213331333133313112331323133313331333131111121111331333132212111113213123232   >>