C2221333133313331311233132313331333133313331311233133313123113211311   >>    C222133313331333131123313231333133313331333131123313331312311321131   <<    C2221333133313331311233132313331333133313331311233133313123113211313   >>      C2221333133313331311233132313331333133313331311233133313123113211312   >>