C2221333133313331311233132313331333133313331323331123231333133313232222331   >>    C222133313331333131123313231333133313331333132333112323133313331323222233   <<    C2221333133313331311233132313331333133313331323331123231333133313232222333   >>      C2221333133313331311233132313331333133313331323331123231333133313232222332   >>