C2221333133313331311233132313331333133313331321123231333133322221311211   >>    C222133313331333131123313231333133313331333132112323133313332222131121   <<    C2221333133313331311233132313331333133313331321123231333133322221311213   >>      C2221333133313331311233132313331333133313331321123231333133322221311212   >>