C2221333133313331311233132313331333133313331311233132333131122112323221   >>    C222133313331333131123313231333133313331333131123313233313112211232322   <<    C2221333133313331311233132313331333133313331311233132333131122112323223   >>      C2221333133313331311233132313331333133313331311233132333131122112323222   >>