C2221333133313331311233132313331333133313232123313231333132313321231   >>    C222133313331333131123313231333133313331323212331323133313231332123   <<    C2221333133313331311233132313331333133313232123313231333132313321233   >>      C2221333133313331311233132313331333133313232123313231333132313321232   >>