C2221333133313331311233132313331333133313331321123231333132322231132331   >>    C222133313331333131123313231333133313331333132112323133313232223113233   <<    C2221333133313331311233132313331333133313331321123231333132322231132333   >>      C2221333133313331311233132313331333133313331321123231333132322231132332   >>