C11111211113313112113313331333133313331333132313331333133313331312331311331211   >>    C1111121111331311211331333133313331333133313231333133313331333131233131133121   <<    C11111211113313112113313331333133313331333132313331333133313331312331311331213   >>      C11111211113313112113313331333133313331333132313331333133313331312331311331212   >>