C2221333133313331311233132313331333132313231311331333132213113231   >>    C222133313331333131123313231333133313231323131133133313221311323   <<    C2221333133313331311233132313331333132313231311331333132213113233   >>      C2221333133313331311233132313331333132313231311331333132213113232   >>