C2221333133313331311233132313331333133313331333133313331333131122112312331   >>    C222133313331333131123313231333133313331333133313331333133313112211231233   <<    C2221333133313331311233132313331333133313331333133313331333131122112312333   >>      C2221333133313331311233132313331333133313331333133313331333131122112312332   >>