C2221333133313331311233132313331333133313331311233132322231312231   >>    C222133313331333131123313231333133313331333131123313232223131223   <<    C2221333133313331311233132313331333133313331311233132322231312233   >>      C2221333133313331311233132313331333133313331311233132322231312232   >>