C2221333133313331311233132313331333133313331323321111121111112232112131   >>    C222133313331333131123313231333133313331333132332111112111111223211213   <<    C2221333133313331311233132313331333133313331323321111121111112232112133   >>      C2221333133313331311233132313331333133313331323321111121111112232112132   >>