C2221333133313331311233132313331333133313331321123231333231323132313221   >>    C222133313331333131123313231333133313331333132112323133323132313231322   <<    C2221333133313331311233132313331333133313331321123231333231323132313223   >>      C2221333133313331311233132313331333133313331321123231333231323132313222   >>