C2221333133313331311233132313331333133313331323232133313121111121211   >>    C222133313331333131123313231333133313331333132323213331312111112121   <<    C2221333133313331311233132313331333133313331323232133313121111121213   >>      C2221333133313331311233132313331333133313331323232133313121111121212   >>