C2221333133313331311233132313331333133313331323231333132313331323221322331   >>    C222133313331333131123313231333133313331333132323133313231333132322132233   <<    C2221333133313331311233132313331333133313331323231333132313331323221322333   >>      C2221333133313331311233132313331333133313331323231333132313331323221322332   >>