C2221333133313331311233132313331333133313331323321111121111112211212331   >>    C222133313331333131123313231333133313331333132332111112111111221121233   <<    C2221333133313331311233132313331333133313331323321111121111112211212333   >>      C2221333133313331311233132313331333133313331323321111121111112211212332   >>