C2221333133313331311233132313331333133313331323223311233133313113313231121221   >>    C222133313331333131123313231333133313331333132322331123313331311331323112122   <<    C2221333133313331311233132313331333133313331323223311233133313113313231121223   >>      C2221333133313331311233132313331333133313331323223311233133313113313231121222   >>