C2221333133313331311233132313331333133313331323321111121111123211   >>    C222133313331333131123313231333133313331333132332111112111112321   <<    C2221333133313331311233132313331333133313331323321111121111123213   >>      C2221333133313331311233132313331333133313331323321111121111123212   >>