C2221333133313331311233132313331333133313331321123231133131333231   >>    C222133313331333131123313231333133313331333132112323113313133323   <<    C2221333133313331311233132313331333133313331321123231133131333233   >>      C2221333133313331311233132313331333133313331321123231133131333232   >>