C2221333133313331311233132313331333133313331321123231333133322313221   >>    C222133313331333131123313231333133313331333132112323133313332231322   <<    C2221333133313331311233132313331333133313331321123231333133322313223   >>      C2221333133313331311233132313331333133313331321123231333133322313222   >>