C11111211113313112113313331333133313113121111331333133313331311331323213231   >>    C1111121111331311211331333133313331311312111133133313331333131133132321323   <<    C11111211113313112113313331333133313113121111331333133313331311331323213233   >>      C11111211113313112113313331333133313113121111331333133313331311331323213232   >>