C2221333133313331311233132313331333133313331311233132322231313311   >>    C222133313331333131123313231333133313331333131123313232223131331   <<    C2221333133313331311233132313331333133313331311233132322231313313   >>      C2221333133313331311233132313331333133313331311233132322231313312   >>