C2221333133313331311233132313331333133313331321123231333133311213312121   >>    C222133313331333131123313231333133313331333132112323133313331121331212   <<    C2221333133313331311233132313331333133313331321123231333133311213312123   >>      C2221333133313331311233132313331333133313331321123231333133311213312122   >>