C111123313331323113313331333133313331323112133313331333121323331   >>    C11112331333132311331333133313331333132311213331333133312132333   <<    C111123313331323113313331333133313331323112133313331333121323333   >>      C111123313331323113313331333133313331323112133313331333121323332   >>