C11111211113313112113313331333133313331333132313331333133313331333133112111331   >>    C1111121111331311211331333133313331333133313231333133313331333133313311211133   <<    C11111211113313112113313331333133313331333132313331333133313331333133112111333   >>      C11111211113313112113313331333133313331333132313331333133313331333133112111332   >>