C2221333133313331311233132313331333133313331311233132313113313223212321   >>    C222133313331333131123313231333133313331333131123313231311331322321232   <<    C2221333133313331311233132313331333133313331311233132313113313223212323   >>      C2221333133313331311233132313331333133313331311233132313113313223212322   >>