C133323133112111133133313331333133313211231333133313133313232311233132212311   >>    C13332313311211113313331333133313331321123133313331313331323231123313221231   <<    C133323133112111133133313331333133313211231333133313133313232311233132212313   >>      C133323133112111133133313331333133313211231333133313133313232311233132212312   >>