C2221333133313331311233132313331333133313331321123231333133313121331   >>    C222133313331333131123313231333133313331333132112323133313331312133   <<    C2221333133313331311233132313331333133313331321123231333133313121333   >>      C2221333133313331311233132313331333133313331321123231333133313121332   >>