C11111211113313112113313331333133313331333132313331333133313331323132112323111   >>    C1111121111331311211331333133313331333133313231333133313331333132313211232311   <<    C11111211113313112113313331333133313331333132313331333133313331323132112323113   >>      C11111211113313112113313331333133313331333132313331333133313331323132112323112   >>