C2221333133313331311233132313331333133313331323211113313113313133313112211   >>    C222133313331333131123313231333133313331333132321111331311331313331311221   <<    C2221333133313331311233132313331333133313331323211113313113313133313112213   >>      C2221333133313331311233132313331333133313331323211113313113313133313112212   >>