C11111211113313112113313331333133313221333133313113313331322331323112111211   >>    C1111121111331311211331333133313331322133313331311331333132233132311211121   <<    C11111211113313112113313331333133313221333133313113313331322331323112111213   >>      C11111211113313112113313331333133313221333133313113313331322331323112111212   >>