C2221333133313331311233132313331333133313331321123231333132313113313232213221   >>    C222133313331333131123313231333133313331333132112323133313231311331323221322   <<    C2221333133313331311233132313331333133313331321123231333132313113313232213223   >>      C2221333133313331311233132313331333133313331321123231333132313113313232213222   >>