C2221333133313331311233132313331333133313331322231333133313332322333131   >>    C222133313331333131123313231333133313331333132223133313331333232233313   <<    C2221333133313331311233132313331333133313331322231333133313332322333133   >>      C2221333133313331311233132313331333133313331322231333133313332322333132   >>