C2221333133313331311233132313331333133313331322232133313231321311   >>    C222133313331333131123313231333133313331333132223213331323132131   <<    C2221333133313331311233132313331333133313331322232133313231321313   >>      C2221333133313331311233132313331333133313331322232133313231321312   >>