C2221333133313331311233132313331333133313331321123231333132313332212323221   >>    C222133313331333131123313231333133313331333132112323133313231333221232322   <<    C2221333133313331311233132313331333133313331321123231333132313332212323223   >>      C2221333133313331311233132313331333133313331321123231333132313332212323222   >>